Evaluate 1 over 4 c+3d when c=6 and d=7

A standard showerhead in Andrew's house dispenses 8 gallons of water per minute. Andrew changed this showerhead to an energy-saving one.

Thirteen times two equals what

Cal make brownies and a cake. he cut the Browns into 6equal parts and the cake into 8equal parts. his family ate 3/4 of the cake. if his family ate more cake than brown what fraction of the brownie could have been eaten?

A math club has 40 people. the amount of boys is 5 less than 2 times the amount of girls. how many boys and girls are in the math club

The scatter plot shows the study times and test scores for a number of students. How long did the person who scored 81 study?

What is the median of 9, 6, 5, 3, 64, 7, 4, 2

What multiplied by what equals 84

3 to the 10th power = 3 to the 7th power times x to the 3rd power (solve for x)

Two sides of a triangle have lengths 18m and 23m. Describe the possible lengths of the third side.

The diagonals of a rhombus are 21 m and 32m. what is the area of the rhombus