Answer:
Step-by-step explanation:
(1) The formula for the area of a circle of radius r is A = πr².
If the radius is 5 units, then the exact area of the circle is A = π(5 units)², or A = 25π units².
The third possible answer is the correct one.
(2) To solve -2x > -10, we must isolate x.
Divide both sides by -2, remembering that if we divide an inequality by a negative number, we must reverse the direction of the inequality sign:
-2x > -10
----- ------- → x < 5
-2 -2
The first possible answer is the correct one: Divide both sides by -2.
