Chris had a tin of 24 cookies he has eaten 2/4 of the cookies how many cookies did he eat

Right ∆abc has coordinates a(-7, 3), b( -7, 10), and c(-1, 3). the triangle is reflected over the x - axis and then reflected again over the y - axis to create ∆a'b'c'. which are the coordinates of vertex a'?

A. 15 degrees b. 45 degrees c. 30 degrees d. 60 degrees

X+ 4y − z = −14 5x + 6y + 3z = 4 −2x + 7y + 2z = −17