Answer:
((19)(49)/98)
Step-by-step explanation:
Answer: 4.1736
Step-by-step explanation:
Simply multiply 34.78 and 0.12 together.
Correct me if I am incorrect
(n+11)(n-4) is your answer
B, -3(-4)^2+(2)4(-4) plug into a calculator
Answer:

Step-by-step explanation:
We will use the co-function identity for sine, where:

Since sin(21)=0.358=cos(x). This means that:

Solve for x. Add x to both sides:

Subtract 21 from both sides:

Hence:
