Mary has 12 hair ribbons. 3 of the ribbons are red. What percent of her ribbons are red?

Calculate the are of this triangle with the base18cm height 14 and inside 11cm

Factor completely: x^4-14x^2+32

Write a multiplication equation for the array shown below.

The equation T^2=A^3 shows the relationship between a planet's orbital period, T, and the planet's mean distance from the sun, A, in astronomical units, AU.

Solve for x and y 5x + 3y = 7 y = 4

5.2 x 10 to the 6 power is equal to what

Order from least to greatest: 2/3, 25%, 3/5, 0.40

Evaluate the given algebraic expression for x=3 and y=3 x^2y^2 A / 18 B / 36 C / 12 D / 81

There are 4 pennies, 2 nickels, 5 dimes, and 5 quarters in a jar. The probability that a random selected coin is a penny is 1/4. Is this experimental or theoretical probability

Traveling 15 miles in 20 minutes, how many miles per hour must you be going?