Help ASAP. Thank you! Find the area of the shaded region.
80°
5 cm
A=[?] cm2

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need