Tion 4. Solve the equation below.
7.7 + d = 10.5
A 18.2
C -18.2
B -2.8
D 2.8
US

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.