7. Ryan has $3.00 worth of coins in his coin jar. If the jar contains 16 coins and all of the coins in the jar are either nickels or quarters. How many quarters does he have?

Icould really use some with this question.

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

The diagram shows corresponding lengths in two similar figures. find the area of the smaller figure. a. 14.4 yd2 b. 24 yd2 c. 26.4 yd2 d. 28