H + 121 + 31 = 180
H + 152 = 180
H = 180 - 152
H = 28
Step-by-step explanation:
a) Perimeter is equal to 2w + 2L
2(3x + 4) + 2(x + 3)
6x + 8 + 2x + 6
8x + 14
b) Put 5 in x's place
8×5 + 14
40 + 14
54
c) Area = (3x + 4) * (x + 3)
Put 4 in x's place
(3×4 + 4) * (4 + 3)
12 + 4 * 7
16 * 7
112
Answer:
11/5 slope
Step-by-step explanation:
5-(-6) -4-(-9)
11/ 5
Answer:
11
Step-by-step explanation
because i added and subtrcted and minus
Answer:
9
Step-by-step explanation:
can fit in 9 times