Find the exact value of cos2theta if sin2theta=3/4 and theta is between 0 and 90 degree

How to determine which lines are parallel

Let d (t) = 6t^2 be the distance function, find the average velocity from (4, 4.1)

Lea's car travels an average of 30 miles per gallon of gas. If she spent $20.70 on gas for a 172.5 mike trip, what was the approximate cost of gas in dollars per gallon?

Camille is attending a fundraiser. She pays for her admission and buys raffle tickets for $5 each. If she buys 10 raffle tickets, then she would spend a total of $135 at the fundraiser.

The distance between

In 1 year, how many more hours of sleep does a giant armadillo get than a platypus?

Write 10 3/7 as an improper fraction?

A 25 foot ladder is leaning against a building. The building is 20 feet high. How far away from the building is the bottom of the ladder

Which strategy is the most appropriate strategy to solve 5x^2+30x? A. zero product property B. square root property

Suppose that A and B are arbitarary 2*2 matirices. Is the quantity given always equal to (A+B) 2 (a) A2 + 2AB+C2. (b) (B+A) 2 (c) A (A+B) + B (A+B) (d) A2 + AB+AB+C2