<span>3pi is an irrational number; the other options are not.</span>
Answer:
$2,160 is what he need for both daughters for 1 year
Step-by-step explanation:
90 x 2 = 180
180 x 12 = 2,160
Use the slope formula or since it's a straight line crossing the y axis at one, it means the y=1
1.57, divide two times pi (3.14)
Negative 10 and positive 10