Answer:
C 30 degrees
Step-by-step explanation:
Sum of interior angles of a triangle = 180°
⇒ ∠UST + 78 + 72 = 180
⇒ ∠UST = 180 - 78 - 72
⇒ ∠UST = 30°
8
160 divided by 20 hours = 8.
David has a 8 hourly wage.
Form the ratio 560/2800 and then mult. the result by 100%:
560
--------- * 100% = 20%
2800
64 oz.
14+10=24
40+24=64
i think the first one but not sure