Dillon pays x dollars to get a haircut. He gives the stylist a 20% tip. The expression representing his total cost is x + 0.2x. Which expression is equivalent and why.

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

Evaluate cos2θ for cosθ = square root of 3/2

Aculture started with 2,000 bacteria. after 8 hours, it grew to 2,400 bacteria. predict how many bacteria will be present after 19 hours . round your answer to the nearest whole number. p=ae^kt