Answer:
17. 290a for pizza / 5b for celary / 290a+5b=total calorie intake
18. 8.50a for adult tickets / 5.50c for children tickets / 8.50a+5.5c=total for tickets
Theta=1.57rad, 4.71rad, 0rad, 2π rad, π rad and –π rad
f=ab/a+b
Step-by-step explanation:
Let's solve for f.
1/f=1/a+1/b
r - 50 because it is reduced by 50.
