Answer:
5 cans of corn
Step-by-step explanation:
15 people are expected
3 ounces served one person
9 ounces is in each can
9÷3=3 so each can of corn serves 3 people
15÷3=5 so 5 cans are needed
Answer:
-1
Step-by-step explanation:
I solved it the way one-variable equations are solved.
Answer:
cos 78⁰.
Step-by-step explanation:
Use cos 2A = cos^2 A - sin^2 A
so cos^2 39 - sin^2 39 = cos (2*39) = cos 78.
Answer:
A
Step-by-step explanation: