Elena wants to have an average of at least 90 on her tests. If she took three tests and earned scores of 94, 92 and 79, what is the lowest score on the fourth test she has to earn
to achieve her goal?
a) 92
b) 88
c) 94
d) 95

step-by-step explanation:

here's what happens:

1) the graph of f   = x^2 is shifted 2 units to the right.

2) the resulting graph is reflected in the x-axis, so that the parabola now opens down.

3) this final result is transformed up by 5 units.

jwjwkwkwkkkdjebd b jdjejdndj he jenej

ok then what happened.

there are 70 more legs than eyes at the dog show (196 – 126 = 70). dogs have two more legs than eyes, and humans have the same number of legs as eyes. thus 70 is twice the number of dogs at the show, so the number of dogs is half of 70, which is 35. to get the number of humans, subtract 35 from 63: 63 – 35 = 28.

step-by-step explanation: