1
Find the value of the variables.
b
30°
a
12
60°
a-
b =

7x+8y=-18, 4x-9y=-3 solve the system of equations

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

An object is translated by (x + 4, y - 2). if one point in the image has the coordinates (5, -3), what would be the coordinates of its pre-image? (9, -5) (1, -5) (9, -1) (1, -1)