Evaluate the expression 10−5a+(18−b), where a=2 and b=11. Which THREE expressions will have the same value?

A
28÷(a×2)

B
20+b−(4×a)

C
49−43+(a÷a)

D
30−25+(b−9)

E
50÷a−(b+20)

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright