If 4x^2 - 100 = 0, what are the roots of the equation?

If $130 is invested in a savings account that earns 4% interest per year, which of the following is closest to the amount in the account at the end of 10 years?

paulo has a certain amount of money. if he spends $600, then he has 1forth of the original amount left.

What is the value of the 4 in this number 4,367,098,387

Six equilateral triangles are connected to create a regular hexagon. The area of the hexagon is 24a2 - 18 square units. Which is an equivalent expression for the area of the hexagon based on the area of a triangle? a. 6 (4a2 - 3) b. 6 (8a2 - 9) c.

Lisa has 62 more pages to read in Beezus and Ramona. She plans to read 9 pages every night beginning on Monday. How many pages will she read on Sunday?

Find the geometric mean of 2 and 50

90 is 37.5% of what number?

In order to solve for the variable In the equation 1 - (x+2) + 2x=5 (2x-5) - x, Mikel first applies the distributive property. Which equation is a result of this step? A) 1-x+2+2x=10x-5-x B) 1-x-2+2x=10x-25-x C) 1-x-1+2x=10x-25-x D) 1-x-1+2x=10x-5-x

Coin Flips Recall the scenario from the previous page. A psychic claims to be able to predict the outcome of coin flips before they happen. Someone who guesses randomly will predict about half of coin flips correctly.

Evaluate e-1/2f when f equals, 2.