What is the area of a trapezoid with base lengths 5 in and 10 in and a height of 4 in?

A= 30 in^2

Step-by-step explanation:

A=a+b/2×h

A=5+10/2×4

A=30 in^2

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d