Greg has 18 cents half the coins are nickels the rest are dimes how much money does Greg have?

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.