There are seven females and nineteen males in the spanish class.
The answer is A because the rate of change is 7.
You can find this by writing it from standard form to slope intercept (y = mx+b).
B is 6, C is 5, and D is also 5 (all lower than 7)
Answer:
x=4
Step-by-step explanation:
2^x-7=9
Add 7 to each side
2^x-7+7=9+7
2^x = 16
Change 16 to a power of 2 16 = 2^4
2^x = 2^4
The bases are the same, so the powers are the same
x=4
Answer: the last one, 31.6
I think it is +a but not to sure