Aabc is an obtuse triangle. given that cb = 20, the measure of za = 30°, and the measure of zb = 45°, which of the
expressions listed would be used to find how long ca is? (note: for a abc, where a, b, and care the lengths of the
sides opposite za, zb, and zc, respectively, sir
wo sinza sinzb sinzc
abc
a = 20
45sin 20°
sin 30°
20 sin 30°
sin 45°
20 sin 45°
sin 30°
sin 45°
20 sin 30°

answer: input the dimensions of the room to be painted. click the button to calculate the amount of paint and man-hours needed for this job.

interior paint coverage depends on the brand of paint used. the coverage amount is listed on the label of the paint can. use this to adjust the values in the paint coverage section below. paint usually is applied at 350 to 400 square feet per gallon (primer at 200 to 300 square feet per gallon).

step-by-step explanation:

i think it would be c

mark brainliest if im right

step-by-step explanation:

20days louise can read300 pg

step-by-step explanation:

1 day 15 pg 300: 15= 20

x day 300 pg