Answer:
1 acute and 2 right (the last option)
Answer:
-3x-3 or -3(x+1)
Step-by-step explanation:
7-5x+2(x-5)
7-5x+2x-10
7-3x-10
-3x+7-10
-3x-3
Answer:
x = 142
Step-by-step explanation:
they're congruent because they're vertical angles
Answer:
40,320 ways
Step-by-step explanation:
By the Fundamental Counting Principle, she can do it in 8! ways:
8! = 8*7*6*5*4*3*2*1 = 40,320
