Solve the following:

a)

3x + 4 / 2 = 9.5

7 + 2x / 3 = 5

b)

Karl bought a lawn mower for $450, and he charges customers $20 each to mow their lawns. He uses approximately $2 in gas for each lawn that he mows. How many lawns must he mow to break even?

What is the factored for of 6x^2+13x+6

Margie is planning a dinner banquet. The equation C=750+42g models the relation between the cost in dollars, C, of the banquet and the number of guests, g. Interpret the slope of the equation.

What is 0.039 as a fraction?

Find the volume of a right circular cone that has a height of 12 cm and a base with a diameter of 18 cm.

The table shows a linear function. x - 5,-4,-3,-2,-1, 0, 1, 2, 3. on top row f (x) - 11, - 3, 5, 13, 21, 29, 37, 45, 53. on bottom row. (a) Determine the difference of outputs of any two inputs that are 1 unit apart. Show your work.

What is a three digit number divisible by 3 and 4 and how

Kyle order pizza for his party. He paid $11.50 a pizza plus an onetime delivery fee of $4.50. Would this be an example of a proportional relationship? Why or why not

Which of the numbers below are whole numbers A. 11.2 B. 4238 C. 769.95 D. 25 E. 892 F. 0.984

The temperature t is at least 75°F?