Select all of the choices that are equal to -5 - (-12) and explain your choices.
a.) -7
b.) 7
ns
c.) The difference between -5 and -12.
lucation
d.) The difference between -12 and -5.
e.) (-5) + 12
f.) (-5) + (-12)
Can someone please help me?

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Which of these angles are supplementary? a. 100o and 90o b. 78o and 102o c. 54o and 146o d. 12o and 78o

Will mark the brainliest.paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each?