The sum of two numbers is 23. Part A: define two variables and create an equation to represent the situation.

Jonathan's class has 30 boys. Of the students in his class, 60% are girls. How many girls are in Jonathan's class? (a) 75 (b) 60 (c) 45 (d) 20

20) - 5 (1 - 5x) + 5 (-8x - 2) = - 4x - 8x

What value of x satisfies the equation 12.3-9.5x=45.55?

There is an "X" drawn on a sheet of paper. One of the smaller angles created is 57 degrees. What are the other 3 angle measures? What are the two typed of angle pairs we need to use?

Which expression is tge simplest form of - (4x+y) + 2 (x-3y)

The measure of ∠A is 55° more than three times the measure of ∠B. The sum of their measures is 155°. Find m ∠A and m ∠B.

What is the greatest common factor of 18x^2 and 36x^2

324 calories in a 3-ounce serving in a unit rate

A circle with circumference 20 has an arc with a 72 central angle. What is the length of the arc? Do 4 problems

G (x) = - 8x H (x) = x^2 + 3x+2