Solve the following system of equations by substitution and select the correct answer below: 4x - 6y = 28 8x - 4y = 24

Moussa delivered 3/8 of the newspaper on his route in the 1st hour and 4/5 of the rest in the second hour. What fraction of the newspapers did Moussa deliver in the second hour?

given that ABC is equilateral, and AD bisects A, show that the side lengths of ADB are in a ratio of 1 : 3 : 2

The speed of sound is approximately 768 miles per hour when an object travels faster than the speed of sound it creates a sonic boom what is an inequality that is true only for speeds at which a moving object creates a sonic boom?

Wladyslaw wants to water jasmine plants and lily plants in his garden. His goal is to water at least 20 plants (condition A) with 12 liters of water at most (condition B).

A computer normally selling for $790 went on sale for $650. What is the percent decrease in price (rounded to the tenth) ?

Edward pattie Mitch were each simplifying the same exponential equation the work is shown below determine who has simplify the expression correctly if they did not simply The equation correctly identify the mistakes explain it fix it

Find the lcm of each set of polynomials x^3-6x^2-16x, x^2-4

In a 30-60-90 triangle, how many sides do you need to know in order to determine the remaining sides? 2 0 1 3

If x is the probability of an impossible event, then which of the following is true? x < 0 x = 0 x > 1

The length of a rectangle is - x - 1 and it's width is 5x+7. Find the perimeter of the rectangle.