7717 as a percentage

In the 6th grade classes there are 4 girls for every 3 boys if there are 24 girls how many boys are there?

I need to solve X-9=-12

Your brother has saved $60 to spend on basketball cards. He plans to buy the cards at a sale. Single cards are $9, and if you buy three cards, you get a fourth for $7. if you buy five cards, the cost is $39.50.

How much is 19.5% of 600?

Mai goes to the same sporting goods store that Elena went to. She bought a soccer ball and 2 pairs of shorts. How much will she pay for everything, including tax? What information will you need in order to solve this problem?

If a sequence is defined recursively by f (0) = 2 and f (n + 1) = - 2f (n) + 3 for n ≥ 0, then f (2) is equal to

Vertex of - 2 (x+3) ^2+7

Boat 1 leaves a dock headed due west at 8:00 AM traveling at a speed of 12 mph. At the same time a boat 2 leaves the dock headed due south traveling at a speed of 24 mph.

A Mathematics test was taken by 4 boys and 6 girls. The mean marks of the 10 students was 49. a) Calculate the total marks obtained by 10 students. b) If the mean marks of 6 girls was 51, calculate the mean marks of 4 boys.

Find an equation using absolute value that has the given solutions, a. two solutions, 22 and 22 b. two solutions, - 51 and 5 c. two solutions, - 9 and 39 d. one solution, 18