If r = 5 z then 15 z = 3 y, then r =……

单项选择题Lee worked 22 hours this week and made $132. If she works 15 hours next week at the same pay rate, how much will she make?

单项选择题If y = 3, then y3(y3-y)=

单项选择题Which of the following lists all the positive factors of 8?

单项选择题To determine a student’s overall test score for thesemester, Ms. Lopez throws out the lowest test scoreand takes the average of the remaining test scores.Victor earned the following test scores in Ms. Lopez’sclass this semester: 62, 78, 83, 84, and 93. What over-all test score did Victor earn in Ms. Lopez’s class thissemester?

单项选择题What is the slope of the line through (–5,2) and (6,7) in the standard (x,y) coordinate plane?

单项选择题Let 0 <a< b < c < d be true for integers a, b, c, and d.Which of the following expressions has the greatest value?

单项选择题The straight-line distance, in miles, from Marville to Bright City must be:

单项选择题In the standard (x,y) coordinate plane, what is the slope of the line through (3,7) and (-2,4)?

单项选择题All of the following statements concern triangles that are similar, congruent, or both. Which statement is FALSE?

单项选择题According to the results of Study 2, what was the greatest percent increase in yield for a cornfield, and what was the amino sugar N content of the soil in the cornfield with this increase in percent yield?

单项选择题Consider the cornfield with soil that had an amino sugar N content of 350 mg kg in Study 2. Based on Figure 2 and other information provided, was the soil in the cornfield responsive or nonresponsive?

单项选择题Which of the students agree that the acceleration due to gravity varies with the mass of a block?

单项选择题They ()the room with expensive tables, chairs and drapes.

单项选择题The roof was damaged and water ()from the ceilings in wet weather.

单项选择题The use of standard components makes ()easier when they are worn.