Find the value of n such that x2 - 19x + n is a perfect square trinomial.

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?

Raya buys a van for £8500 plus VAT at 20% Raya pays a deposit for the van. She then pays the rest of the cost in 12 equal payments of £531.25 each month Find the ratio of the deposit Raya pays to the total of the 12 equal payments.

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.