Answer:
c=f(x)−ax^2−bx
Step-by-step explanation:
Answer:
43°
Step-by-step explanation:
80°-37°= 43°
Answer:
x=7
Step-by-step explanation:
expand 4(x+5): 4x+20
2x+34=4x+20
subtract 34 from both sides
2x+34-34=4x+20-34
2x=4x-14
subtract 4x from both sides
2x-4x=4x-14-4x
-2x=-14
divide both sides by -2
-2x/-2=-14/-2
x=7
Rachel would take 30 minutes to run in 4miles