Answer:
24
Step-by-step explanation:
x-3=5, solve for x so that x=5+3
now put this in place of x in the expression 2(x+4)
2[(5+3)+4]
2(8+4)
2(12)
24
Answer:
y=71
x=109
Step-by-step explanation:
Answer: Complementary angles
Step-by-step explanation:
wxy is making a 90 degree angle which is a complementary. A supplementary is a 180 degree angle
Answer:
4.2
Step-by-step explanation:
simplify 12 and 20 to 6 and 10 then divide 6 by 10 and multiply by 7 to get the answer.