Answer:
1. $30
2. $47.50
3. $7.20
Step-by-step explanation:
1. ( 30 + 45 + 15 ) / 3 = 30
2. ( 18 + 93 + 34 + 45 ) / 4 = 47.50
3. ( 9 + 4 + 5 + 8 + 10 ) = 7.20
Answer:
$4.50
Step-by-step explanation:
3/4 cups = 12 tablespoons
$1.50 yields 4 tablespoons
12 / 4 = 3 purchases at $1.50 = $4.50
Answer:
- 439
Step-by-step explanation:
evaluate f(- 7) and substitute the value obtained into s(x)
f(- 7) = 3(- 7) = - 21 , then
s(- 21) = 2 - (- 21)² = 2 - 441 = - 439
180° because it is half of a full circle(360°)
