63 is 90% of what number using double lines

When you sign up for a gaming website, you get two months free. Then you are charged $18 per month. If you pay $90, how many months will you be able to play? CLEAR CHECK

When calculating the volume of an object, why do the units end up being raised to the third power as in cm3?

For each necklace li uses 27 spacers plus 5 beads per inch of necklace length write an equation to find how many beads li needs per necklace

Luke bikes for 2.58 miles and takes a car for 6.93 miles each morning to reach his school. How long is Luke's journey to school?

you go shopping and your bill comes to $54. The sales tax added on equals 7%. What is the amount of sales tax added to you bill? The sale tax added to you bill is?

If one gallon of gas costs $3.50 how much would 3,5, and 7 gallons cost?

to mail a cardboard box, you measure its size and mass. It is 55cm long, 25cm wide and 20 cm high. The mass of the box is 4kg. What is the density of the boxes in grams over cm squared

Select the action you would use to solve x/4 = 16. Then select the property that justifies that action

A company estimates its total profit (profit = total revenue minus total cost) as P (x) = 2x5 - 3x4 - 5x2 - 2, where P is in thousands of dollars and x is the number of years elapsed since the company was founded.

On a number line, the surface of a river is marked at - 225 feet and the top of a building is marked at + 18 feet, where 0 represents sea level.