solve equations with unknown variable

.25x = 12

3 (x - 5) = 2 (x - 5) + x solve for x and number of soultions

Brand A of chocolate chips costs $3 for 12 ounces. Brand B of chocolate chips costs $4 for 15 ounces. Which of the following statements is true? Brand A has the better unit price. Brand B has the better unit price.

Simplify the expression 9n + 18 (2n-6) + 13

Solve the system of equations 2x+y=3 x=2y-1

In a scale drawing of a rectangular patio, the length is 14 inches and the width is 10 inches. In the drawing, 4 inches represents 5 yards. What is the length of the actual patio, in yards?

Explain how you know that 492 x 10 exponent 5 is not in scientific notation.

A square tile has a side 4 cm long. use the appropriate formula model to find the area. what is the area of the square? include units with your answer.

Whats the direct variation 3x+4y=-5

1+1 in standered form

Martin sees 4 rows of cages in the bird house there are 4 cages in each row how many cages are in the bird house