Will give brainliest and 30

solve −3x2 + 30x − 90 = 0.
a- x equals 5 plus or minus 2i square root of 5
b- x equals 5 plus or minus i square root of 5
c- x equals 10 plus or minus 2i square root of 5
d- x equals 10 plus or minus i square root of 5

Which graph represents the following piecewise defined function?

Which statements regarding the diagram are true? check all that apply.

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.