Ross and Gabby sold boxes of cookies for their soccer team fundraiser. Ross sold b boxes of cookies, and Gabby, g, sold 35 boxes of cookies. Together they sold a total of 69 boxes of cookies. Which expression correctly shows how many boxes Ross sold and how to find this number? Choose all that apply
35 + G = 69 boxes
b - 69 = 34 boxes
69 - G = 34 boxes
69 - 35 = b

The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to

What is the sum of these mixed numbers 4 2/3+ 3 1/9

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13