Where? Are the expressions?
Answer:
SAS because they stand for side angle side
Step-by-step explanation:
SinA + CosA × TanA
=0 + 1 x 0
=0
Answer:
12
Step-by-step explanation:
2/3 x + x = 20
2/3 x + 3/3x = 20
5/3 x = 20 ... times 3/5 both sides
x = 12
check: 2/3 x 12 + 12 = 8 + 12 = 20