Given the Arithmetic sequence A1, A2, A3, A4 45, 58, 71, 84 What is the value of A43?

2x^2+x-1=2, What would the solutions be? I've been trying to solve this for a little now and I can't seem to find the answers.

A golf ball is selected at random from a golf bag. If the golf bag contains 3 brown balls, 8 red balls, and 9 yellow balls, find the probability of the following event. The golf ball is brown or red.

What is the answer to 25:2760

Which substitution should be used to rewrite 16 (x^3+1) ^2-22 (x^3+1) - 3=0 as a equation?

Fine the difference (2ab-5a-7) - (-5ab-7)

If 4 bushels of oats weigh 112 kg, how much do 8.5 bushels of oats weigh?

The Walker family and the Goodman family are going to the cinema. The Walkers pay £22 for 2 adult tickets and 1 child ticket. The Goodmans pay £26 for 1 adult ticket and 3 child tickets. How much does a child's ticket cost?

What is 17=3x+2y in slope intercept form

Mia is taking art and calculus courses on Mondays. She is late for the art class with probability 0.5 and late for the calculus class with probability 0.4. Suppose the two events are independent.

Fill in the blank 9,15,24,39,63,102,165,_,432,699,1131