Amy's current grades for her assignments in math class are 85, 90, 95 and 80. What grade does she have to earn on her next assignment to attain an average of 90?

830 es divisible por 5

What is the square root of 55

The model of a trinomial is shown. An algebra tile configuration. 0 tiles are in the Factor 1 spot and 0 tiles are in the Factor 2 spot.

Solve the equations to find the number and type of solutions. The equation 8 - 4x = 0 has real solution (s). DONE

A coin is biased to show 39% heads and 61% tails. The coin is tossed twice. What is the probability that the coin turns up tails on both tosses?

The rate at which a planet receives heat from a hot sphere such as sun varies directly with the fourth power of the sun's absolute tempature, directly with the surface area of the Sun, and inversely with the square of the distance from the Sun to

Write the algebraic expression for the quotient of 79 and x

Which expression is equivalent to 647 times 39.

2x divided by x+5 less than or equal to 0

Dan read 104 pages of his book. He has 68% left. How many pages in his book?