Answer:
15
Step-by-step explanation:
-a -8b = -9 + 24 = 15
Answer:
c. 80
Step-by-step explanation:
cos x = sin(x-70)
cos x = cos [90-(x-70)]
cos x = cos (90-x +70)
cos x = cos 160 -x
x= 160-x
2x = 160
x =80
Answer:
1.85
Step-by-step explanation:
equation will be 10(h+1.75)=36
hamburger price is $1.85
2x^2-4=124 is the correct answer.