Answer:
d
Step-by-step explanation:
Using the Cosine rule to find ∠ A
cosA =
=
=
= , then
∠ A = (
) ≈ 84.9° ( to 1 dec. place )
Shawna is saving money to buy a new laptop. She starts her savings with $64. Each week, she adds another $17 to her savings. Gra
1 answer:
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Answer:
A
Step-by-step explanation:
We have the expression
We want to find the value when k is -3. So, substitute -3 for k and evaluate:
Multiply:
Subtract:
Add:
Therefore, our answer is A.