Which ordered pair is the solution to the system of equations?
x + y = -1
x - 3y = 11
a.
(2, −3)
b.
(−2, 1)
c.
(5, −2)
d.
(−6, 5)

3(10x-y)-5(x-y^2) need this solved asap

Each morning papa notes the birds feeding on his bird feeder. so far this month he has see. 59 blue jays, 68 black crows, 12 red robin's and 1 cardinal. what is the probability of a blue jay being the next bird papa sees

Which expression converts 45 degree to radians