Twice a number plus four equals 6. what is the number

Four houses in a row are each to be painted with one of the colors red, blue, green, and yellow. In how many different ways can the houses be painted so that no two adjacent houses are of the same color? There are possible ways to paint the houses.

What is - a^-2 if a=-5

4x+2y=6 Rewrite in y=mx+b form

Eugene wrote a riddle: A positive number is 5 less than another positive number. Six times the lesser number minus 3 times the greater number is 3. Find the two positive numbers.

What is a y intercept

A professor has recorded exam grades for 20 students in his class, but one of the grades is no longer readable.

Penny makes baskets and sells them for $12 each. The materials to make her baskets cost $2 per basket. How much will it cost her to make 24 baskets?

Which of the following is true about a nonlinear function? It has a constant rate of change. It can be curved. It looks like a straight line. It must cross the origin.

What is the correct classification of 7x^2+9x+4

The lengths of the sides of a triangle are 17, 8 and n. Which of the following must be true