Evaluate the expression when a=4 and b=20

b-5a

Describe how you figure out the square footage of the walls in a 10 by 14 room with an 8 foot ceilings.

Solve each system by substitution Y=6x-11 -2x-3y=-7

What is the value of w? 5 (9 - 3) = w • 9 - 5 • 3

Two boxes are similar, the length of the side of the small box is 4cm, the length of the side of the big box is 16cm. The volume of the big box is 320cm3 what is the volume of the small box?

What does it mean by trigonometry?

Pure acid is to be added to a 10 % acid solution to obtain 21 L of a 40 % acid solution.

Explain how to isolate the variable in the equation - 2/3n + 7 = 15

The population of Augusta, WI, had a population of 1253 in 2000. If the population increased by 3% each year, what would be the population of Augusta in 2016?

The probabilities of a positive response to two government programs from the citizens in eight cities are given in the table. City Positive Response for Program 1 Positive Response for Program 2 Atlanta 77.8% 82.1% Boston 86.4% 86.6% Chicago 65.

Is a meter closer to an inch, a yard, a foot, or a mile answer?