Which operation should be performed on both sides of this equation to solve for x? x +4= 6

A

В.

add 4

add the opposite of 4

C. multiply by the reciprocal of 4

D. multiply by the opposite reciprocal of 4

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

In a 45-45-90 right triangle, what is the ratio of the length of one leg to the length of the other leg? а . 1: 2 в. 2: 1 с. 2: 1 d. 1: 1