Would the ratio 12/21 form a proportion with the ratio 24/42?

The frequency of G5 is 783.99 Hz. What is the frequency of the note that is a perfect fifth above G5?

Solve for x using the Quadratic Formula: x2 + 2x + 1 = 0 x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a A. x = 2 B. x = 1 C. x = 0 D. x = - 1

If x=15 and y = - 5 then what is the value of x/y?

Samantha saw two bottles of ketchup at the store for the same price one bottle contain four pints of ketchup and the other contained 1.25 quarts of catch-up which battle was the better bargain?

A brownie recipe requires 2 1/2 of sugar to 1 cup of chocolate chips. If 3 1/3 of sugar is used, what quantity of chocolate chips will be needed?

Four more than seven times a number is the same as twenty less than three times the number. Find the number

Mary and Nancy roasted coffee beans. Mary roasted one fourth of the beans and Nancy roasted one eighth of them. If together they roasted 3 kg of the beans, find the total weight of the beans.

If 8% sales tax is charged on the sale price, what is the total with tax?

In your own words define what it means to simplify. Give an example of a math problem that needs to be simplified, and then simplify it

Let us go back to the infancy of the field of geology; our task is to find a way to approximate the mass of the earth. Let us assume that the earth is a sphere of homogeneous and uniform mass density.