How many different ways can a director select 4 actors from a group of 20 actors?

What kind of polynomial is 2x^4-4x^2

Y=x^2+16x+71 equation for parabola

Y=2x X+Y=9 What is x and what is y?

If you have an 81 for your 9 weeks grade but make a 70 on your exam whats going to be your final grade?

write an equation to find the number of students in mr. boggs homeroom if the total number of stdents is 90

Select each expression that is equivalent to 3 (n+6) select all that apply A. 3n+6 B. 3n+18 C. 2 (n+6) + n D. 2 (n+6) + (n+6) E. 2 (n+6) + n

Find the sum of the polynomials below. (8x9 + 6x6 - 2x + 6) + (9x9 + 4x6 + 9x + 7) A. 17x9 + 10x6 + 7x + 13 B. 10x9 + 17x6 + 7x + 13 C. 72x9 + 24x6 - 18x2 + 13 D. 17x9 + 10x6 - 7x + 13

Find four consecutive integers such that three times the sum of the first two integers exceeds the sum of the last two by 70.

Factor completely. 36y^2-x^2

A weather forecaster predicts that the temperature in antarctica will decrease 8°f each hour for the next 6 hours. write and solve an inequality to determine how many hours tt it will take for the temperature to drop at least 36°f.