Which of these shows 9z + 5 rewritten using the commutative property of addition?

9 + 5z

9 - 5z

5 + 9z

5 - 9z

A plane's altitude had a change of - 2750 ft. in 5 minutes. What was the plane's average change in altitude, per minute, for that time period? A. - 13,500 ft B. - 550 ft C. 550 ft D. 13,750 ft

A smaller probability of type ii error implies higher power of the test. a. True b. False

What value of x makes this proportion true 3/x=15/40

Create a table of x - and y-values for the equation y/4 = 3/4 x+2. Use x-values of - 2, 0, and 2.

A rock is thrown from the top of a building which measures 48 foot high. The graph shows the height, y, of the rock from the ground after x seconds. On which interval is the rock's height always decreasing

What does 4+-13= what does 6--3=

If bacteria splits every 2 minutes how much would there be after 10 hours

Factor this expression. check by multiplying factors. x^2y^2+ay^2+ab+bx^2

What was the original price if they is a 10% discount and the sale price is 76.50

What is the percentage of students that reported skating as their favorite activity? jogging:12% walking:60 students biking:25% skating:210 students other:108 students