Answer:
#2 - 28-19 (equation), 19+9 = 28 (check), and solve : 28-19 = 9
#3 - (3)³*1/3+6
#4 - C) y * 55 + 5
Explanation:
#2 Explanation
Since Kailey starts off with 28 math problems, and has already done 19. We need to know ONLY the remainder/ how much she still needs to do.
To do that, we must subtract 28 by 19.
28-19 = 9.
She needs to do 9 more math problems to complete her homework
#3 Explanation
If the teacher hasn't taught you PEMDAS or Please Excuse My Dear Aunt Sally, I give you permission to yell at her.
Do Percentages first, if none, then Exponents second, if none, then Multiply third, Division 4th, Addition 5th, and then Subtraction last.
The order should be like this:
(3)³*1/3+6
#4 Explanation
y * 60 is equivalent (equal to) to y = 55 + 5
55 + 5 = 60 right?