<span>x intercept when f(x) = 0
so
</span><span>x^2-81 = 0
x^2 = 81
x = + 9 and x = -9
Answer
</span><span>C -9</span>
A) 75heartbeats per min
B) $9.35 per ticket
C) 2.25 per golf ball
D) $9.75 per hour
Answer:
x = 4
Step-by-step explanation:
The base angles of an isosceles triangle are congruent, as shown in the figure.
Equating their measures, we have ...
∠A = ∠C
8x -7 = 25 . . . . substitute the given expressions
8x = 32 . . . . . add 7
x = 4 . . . . . . divide by 8
I think that answer is B there is a association of greater growth occurring outside the lagoon because mainly the numbers each time get bigger like the first time it is 20 and then it is 31 so it goes up 11 more and then the third time it is 34 and it goes up 3 and then the last one sadly drops to 21.
Answer:
m = 
Step-by-step explanation:
k = 3m - 7
k + 7 = 3m - 7 + 7
k + 7 = 3m
= m
(I'm not 100% sure fyi)
