mary buys a sandwich for $7 and a drink for $4. She pays with a $20 bill. How much change will she get?

Is 14/4573 a rational number?

Question 3 Find the constant of variation (k). -y + 9x = 0

Use the one-proportion z-test to perform the specified hypothesis test. Use the critical-value approach. x = 741, n = 1300, H0: p ≤ 0.5, Ha: p > 0.5, α = 0.05 a) z = 5.048; critical value = 1.645; reject H0 b) z = 3.786; critical value = 1.

What are the solutions of 8x2 = 6 + 22x?

Which of the following is a good way to quickly determine whether 3⁄12 and ¼ are equal? A. Inverse multiplication B. Reciprocal multiplication C. Cross multiplication D. Equal multiplication

How do you factor 1-r^2

Elimination method using multiplication:3x+2y=0 and x-5y=17

Is - 4^2< (-4) ^2 a false statement

Can a triangle be formed with the side lengths of 8 cm 15 cm and 17 cm

In the diagram the length of segment TQ is 40 units what is the length of segment QV