The numbers of girls in a second grade class in 4 less than the number of boys. Let b represent the number of boys in the class, and write an expression that represents the number of girls.

What ia all the common factors of 15,45,90

The dog 24 inches is the total length. Is 4 times longer than a bird. How many inches long is the bird?

The slope of the line is

Lin was looking at the equation 2x - 32 + 4 (3x - 2462) = 14x. She said, "I can tell right away there are no solutions, because on the left side, you will have 2x + 12x and a bunch of constants, but you have just 14x on the right side.

Solve for x. 5 x - 29 > - 34 OR 2 x + 31 < 29

A truck driver makes a trip that covers 2,380 km in 28 hours. What is the driver's average speed?

Is the number - 3 5 48 rational or irrational?

Given that f (x) = x squared minus 3x plus 3 and g (x) = x minus 1 divided 4, solve for f (g (x)) when x = 5

Simplify. 2567 · 162

If 3 apples and 4 bananas cost 1.37 total and 5 apples and 7 bananas cost 2.36 total what is the total cost of 1 Apple and 1 banana?