Answer:
$3.95
Step-by-step explanation:
12*0.25=3
4*0.10=0.40
11*0.05=0.55
3+0.40+0.55=$3.95
z = 2y
Step-by-step explanation:
..... (given)
... (exterior alternate angles)

9514 1404 393
Answer:
23.44
Step-by-step explanation:
The mnemonic SOH CAH TOA reminds you of the relation ...
Tan = Opposite/Adjacent
tan(38°) = x/30
x = 30·tan(38°) ≈ 23.4386
x ≈ 23.44
R = 8 since 8 times 10 = 80