One times a number x, plus 2 times a number y, equals 9. Negative one times x minus 3 times y equals - 14. What are the numbers?

A. x = 7, y = 12

B. x = - 1, y = 5

C. x = 5, y = 1

D. x = - 11, y = 24

1. Which conversion requires division? A. millimeter - - - >> centimeter B. kilometer - - - >> meter C. centimeter - - - >> millimeter D. meter - - - >> millimeter 2. Which conversion requires division? A. milligram - - - >> centigram B.

Molly is designing a new drone for the air force. the drone is supposed to be 30 feet long and 4 feet tall. she is building a prototype for testing that will be 12 feet long. how tall should the prototype be?

Milton mixed 1/2 gallons of red paint, 2/5 gallons of blue paint, 1 2/3 gallons of orange paint into a mixing barrel. How many gallons of paint did Milton put in the barrel altogether.

Classify the variable z in z square = 0.02 as rational or irrational

6*6+10 divide by 10 (-5) (3) - 5

Lee fifth grade class has 1.4 times as many students as Fred's. If there are a total of 60 students. How many students does Fred's class have? How many students does Lee's class have?

Is 5/8 equal to - 5/8

Place the following numbers in order from least to greatest. 3.2, 115%, 0.09, 5/12, 2/7

Study the steps used to solve the equation. Given: c/2-5=7 Step 1: c/2-5+5=7+5 Step 2: c/2+0=12 Step 3: c/2=12 Step 4: 2 (c/2) = 12 (2) Step 5: c=24 Choose the property that justifies each step of the solution.

Find the variance of 101, 102, 100, 100, 110, 109, 109, 108, 109