Miguel has $250 dollars saved and he adds $5 to his savings every week. which
function describe the amount a, in dollars, that miguel has saved after t weeks?
a. a(t) = 5t + 250
b. a(t) = -5t + 250
c. a(t) = 250t +5
d. a(t) = 5t - 250

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?