Which of the following are proportional to the ratio 40:160?

a. 1 to 4

b. 22:88

c. 80/330

d. 16:64

Solve the system x + y = 12 and x - y = 2 A. (4,2) B. (2,10) C. (7,5) D. Infinitely many solutions

x is a natural number less than 4

Evaluate the expression, if x=4, y=9, and z=7. x (y + z - 3 squared)

Abby has a beginning balance of $720 in her checking account. She writes two checks for $240 and $350 respectively and deposits $500. What is her new balance?

Which word expression represents the algebraic expression shown? 12 - 3x A. twelve less than 3 times x B. three x minus 12 C. three times x less than 12 D. twelve minus 3 plus x

Laura draws a right triangle she then creates three squares using each side of the triangle shown pic - triangle in the middle with three square on the edges of the triangle which of the methods could Laura prove the Pythagorean theorem 1 - to prove

Miguel valdez sells appliances. he is paid an 8 percent commission on the first $2000 worth of sales, 10 percent on the next $2500, and 15 percent on all sales over $4500. what is his commission on $4910 worth of sales?

Rosa's work finding the median of a set of test scores is shown below. {80, 70, 90, 80, 90, 65, 100, 100, 90} 90 Which statement best describes Rosa's first error? O She should have reordered the elements from least to greatest.

Which transformation will be equivalent to rotating a figure 180 counterclockwise

The serving size for M& M's is 1/4 cup. The amount Goober ate was triple the serving size. If there are 2 1/4 cups per bag, how many cups of M& M's remain?