I hope this helps you
sec Q=1/cos Q
2=1/cos Q
cos Q= 1/2
Q=30+2.pi.n
Q=330+2.pi.n
n€Z
Answer:
28 quarters and 5 dimes
7(Q)+5(D)
7(4)+5(10)
28Q 50D Q=quarters D=dimes
it would be more efficient to do the substitution method bc its faster and easier
Multiply 9 by 3
she walks 27 blocks in three days
Answer:
V ≈ 16.333 in³
Step-by-step explanation:
Formula of the Volume of a Sphere: 
V =
× (3.5)²π
V =
× 12.25π
V ≈ 16.333 in³
Answer is option 4. working out attached
hope it helps :)