Extra sam earned $340 as a lifeguard last summer. he wants to deposit this money in a savings account that earns 3.15% simple interest. how much money will be in his account after 5 years?

Arectangular exercise mat has a perimeter of 36 feet the length of the mat is twich the width writeand solve an equation to determine the length in feet. of the mat then find the area in square feet of the mart

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.