just look it up on google
Unit rate if your finding how much one cost.
2x + 1.5x +20 = 90
3.5 x = 90-20
3.5 x = 70
x = 70/3.5
x = 20
angle DAE = 2*20 = 40
angle CAD = 1.5*20 +20 = 50
Answer:
A, C, B, respectively
Step-by-step explanation:
science(density and buoyancy)