What is 75 percent of 280

there are five boys and ten girls in mr johnsons gym class. the simplified ratio of boys to girls is 1/2. what does this ratio mean

Parking lot has 121 spots. Ratio of senior to junior is 7 to 4. How many spots go to each grade level?

A $750 television is on sale for 30% off. There is a 7% sales on the television. How much do you pay?

Verify the identity: (1+tan^2u) (1-sin^2u) = 1

Is every percent a ratio? Is every ratio a percent? Explain.

One hundred adults were asked to name their favorite sport, and the results are shown in the circle graph. What percent of adults preferred baseball or basketball ?

Let f (x) = 6-1x+15x^2. Calculate the following values: f (a) = f (a+h) = f (a+h) - f (a) h = for h≠0

P=2a+2b solve for a

Juliet baked 30 brownies for a party. she gave 6 brownies to a friend. What percent of the brownies did juliet give het friend

A deck is shuffled and two cards are dealt. (a) Find the chance that the second card is a heart given the first card is a heart. (b) Find the chance that the first card is a heart and the second card is a heart.