1.6 - 2.1
plz and u will get 14 points if u show step by step

-1.6-2.1 = -3.7

Step-by-step explanation:

if u are on a number line, it would look like this

-1.6

we move 2.1 to the left

-3.7

because -1.6 is negative, when you subtract 2.1, you move add 2.1 to the negative

-2.1+-1.6=-3.7

the answer is b.

step-by-step explanation:

by the trigonometric ratio tangent, tangent equals opposite divided by adjacent.

therefore, tan(50) equals ac/3

multiply each side by 3 to get: ac=3tan(50)

the answer is b.