Letters a, b, c, and d are angle measures. Which should equal 105° to prove that f Il g?
Ob
a
C
6
75
d
.
g

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.