Answer:
15 x 6 x 8
Step-by-step explanation:
total money is cost per lawn times number of lawns per week times number of weeks
cost per lawn is $15
number of lawns per week is 6
number of weeks is 8
so cost total money is 15 x 6 x 8 which is none of them
where did the 20 and 11 come from?
Answer:
10
Step-by-step explanation:
Answer:
120
Step-by-step explanation:
Add more detail if it is a different question
Answer:
6 and -14
Step-by-step explanation:
Area of the triangle = 1/2 ab
42 = 1/2 (x)(x+8)
42 *2 = x(x+8)
84 = x²+8x
x²+8x-84 = 0
x²+14x-6x-84 = 0
x(x+14)-6(x+14) = 0
x-6 = 0 and x+14 = 0
x = 6 and -14
Hence the values of x are 6 and -14
