Please help as soon as possible! Which two points have an undefined slope?
a.
(-1,1) and (1,-1)
b.
(-2,2) and (2,-2)
c.
(-3,-3) and (-3,3)
d.
(-4,-4) and (4,4)

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

Mama mia restaurant used 1 2 2 1 ? of their mozzarella cheese making pizza and the remaining 6 4 64 ounces making pasta. how many pounds of mozzarella cheese did mama mia start with?

What ia the sum if the first 7 terms of the geometric series