How do I figure out x+30=4x-6

Confirm that f and g are inverses by showing that f (g (x)) = x and g (f (x)) = x. f (x) = the quantity x minus seven divided by the quantity x plus three. and g (x) = quantity negative three x minus seven divided by quantity x minus one.

6 times the sum of a number and 2 is 8 less than twice the number

Rita answered 45 questions correctly on her latest math test. She earned 75% on that test. How many questions were on the test?

20. Seventy is 60% of what number?

Lisa lives in Atlanta. She is going to a baseball game with her two sisters and her parents. They have $100 to spend. After they buy their tickets, how much money will they have to buy refreshments?

A person operating a machine can mow 0.75 acres in ½ hour. What is the rate, in acres per hour, that the person can mow? Write your answer as a decimal.

Select the best answer for the question. 20. 7⁄8 = ?⁄48 A. 13 B. 1 C. 42 D. 6

If both dimensions in a parallelogram are doubled then which statements about its area will be true 1. The ratio of the new area to the old area will be 2:1. 2. The ratio of the new area to the old area will be 1:4 3.

A pizza place charges for pizzas and adds a delivery fee the cost in dollars to have have any number of pizzas delivered to a home is described by the function c=12p+5 How much would 3 pizzas cost?

Which is more: 26 fluid ounces or 2 pints?