Solve the system of equations using substitution.
-4x-8y=40
y=-4

4+(2+x) can you me solve this problem

What is the value of x in this triangle? a. 53° b. 62° c. 65° d. 118°

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?