Answer:
29
Step-by-step explanation:
f(x) = 4x -7
f(9) = 4(9)-7
=36-7
=29
80x3/8=10 common factor. 10x5. And 10x3
50/30
30 boys
50 girls
Answer:
60°
Step-by-step explanation:
180 - 33 - 187 = 60
Rewriting the formula in standard form would be x^2-8x+14=0