{need answer asap will mark braniest}
which function has 10 and -1 as roots?

a.
f(x) = x2 - 9x - 10

b.
f(x) = x2 - 9x + 10

c.
f(x) = x2 + 9x - 10

d.
f(x) = x2 + 9x + 10

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section