Solve the system, using substitution. x = 4y, 2x+3y = 44.

Solve 6 = 2 (x 8) - 5x

There are 25 counters in a bag. 12 are red, 5 are green and the rest are white. A counter is chosen at random. Work out the probability that it is white.

Marcy bottles 17 gallons of root beer and 12 gallons of punch. She sells her drinks in quart bottles. How many bottles does she need?

Derive these identities using the addition or subtraction formulas for sine or cosine: a. sin a sin b = 1 / 2 (cos (a - b) - cos (a + b)) b. sin a cos b = 1 / 2 (sin (a + b) + sin (a - b))

Which of the following number sentences illustrates the associative property of multiplication? (3 * 8) * 6 = 3 * (8 * 6) 2 * (1 * 9) = (2 * 1) * (2 * 9) 1 * 15 = 15 8 * 9 = 9 * 8

Which figure always can be divided by a diagnal line into two right triangles parallelogream rhombus square or trapezoid?

Cylinder A has a radius of 6 centimeters. Cylinder B has the same height and a radius half as long as cylinder A. What fraction of the volume of cylinder A is the volume of cylinder B? Explain.

Apples sell for $1.90 per pound, and bananas sell for $0.75 per pound. Troy bought some apples and some bananas. Together they weighed 3.8 pounds, and cost $5.84. Let p represent the number of pounds of apples Troy purchased.

One number has a prime factorization of 23.32, and another number has a prime factorization of 22.3°. Which of the following expressions would equal the greatest common factor of these two numbers? 25.35 23.33 22.32 2.3

Triangle MNO is similar to triangle PQR if angle N measures 85 degrees and angle P measures 75 degrees what is the measure of angle R?