How to simplify imaginary numbers?

√-80?

√-45

√-12

√-90

Write 7+√-121 in complex number form?

What even is this stuff?

15. A survey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand X aspirin. How many doctors use brand X aspirin?

The result of subtracting (4x^2-x) from - 3x^2

A 16 ounce package of cereal cost $4.00? what is the unit cost

Triangles ABC and DEF have the following characteristics: ∠B and ∠E are right angles ∠A ≅ ∠D BC ≅ EF Which congruence theorem can be used to prove △ABC ≅ △DEF? AAS ASA HL SAS

Audra counted change collected for a class fundraiser. Audra wrote the equation 0.10x+0.25y=5.30 to represent the situation. What did she define as the variable x?

A 16-fl oz bottle cost 2.00$ what is the unit cost

0.8% of what number is 6

What the expanded form of these number 3,047 12,008 90,040

Oatmeal Crunch Use three times as much flour as sugar. Use two times as much oats as sugar. Use 50 chocolate chips. Use 20 less cashews than chocolate chips.

The circumstance of a circular region is shown. What type of number best describes the diameter of the circle? Explain your answer