Which operation should be performed first according to the order of operations?

21 – 5 + 24 ÷ 3 + 90 • 4

a.
21 – 5

b.
5 + 24

c.
24 ÷ 3

d.
90 • 4

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

How do you find the area of a triangle

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.