47. B 9
48, D 81
49. A 5
50 C 45
Answer:
212,214,216
Step-by-step explanation:
n+n+2+n+4=642
add the n's and 2 and 4
3n+6=642
subtract 6 from both sides
636 divided by 3
you get 212 then add 2 twice.
Not sure what you’re trying to find but here’s the simplified version:
-4<=2t+5<11
-9<=2t<6
-9/2<=t<3
Answer:
r = 13
Step-by-step explanation:
these angles are vertical and are congruent
8r + 6 = 9r - 7
6 = r - 7
13 = r
Answer:
m^3+m^2-4m+6
Step-by-step explanation:
Expand m (m+3) (m^2-2m+2) by multiplying each term in the first expression by each term in the second expression.
