How i can prove the proofs?

Without multiplying, determine the sign of the product (356,864) (-194,758). The sign of the product is positive because a positive multiplied by a negative is a positive.

Write an equation for each transformation of y = x A vertical stretch by a factor of 5 and a reflection in the y-axis

Brice had $73 and then he earned d more dollars. Write an expression that shows how much money he has now.

What is the unit price of an liquid that costs $3.49 and is 64 fl oz

Decide whether the following rates are equivalent. 12 pages in 20 minutes or 20 pages in 32 minutes

The revenue, in dollars, of a company that produces jeans can be modeled by 2x2+17x-175. The cost, in dollars, of producing the jeans can be modeled by 2x2-3x-125. The number of pairs of jeans that have been sold is represented by x.

Given that Triangle ABC such that a=8cm, b=7cm and c=9cm tem and c = 9cm find Cos B

What is 12 times 4.8

How will adding the value 75 affect the mean and median of the data set 1, 5, 7, 9, 9, 10? A. The median increases and the mean stays the same. B. The mean increases and the median stays the same. C. The median increases less than the mean increases.

54,36,24 whats the next term in the geometric sequence