What is the solution the this equation? solve using linear combination method:

{-2x+y=-17

{3x+y=23

M∠3 is (3x + 4) ° and m∠5 is (2x + 11) °. Angles 3 and 5 are. The equation can be used to solve for x. m∠5 = °

Step on how to calculate variance

What is the relationship between numbers with place values

Give a direct proof that the sum an even integer and an odd integer is odd.

I just need someone to check my answer: What is the sum of the arithmetic sequence 3, 9, 15 ..., if there are 24 terms? a) 1452 b) 1728 (my answer) c) 2028 d) 2268

Nicole has a board 88 in. long. she needs to to cut it into filt a space 80 3/8 in long

Find the percent of the number. 60% of 80 is

What is the constant of proportionallity 0.59/pounds of bananas

A pet store has 10 puppies, including 3 poodles, 4 terriers, and 3 retrievers. if rebecka and aaron, in that order, each select one puppy at random with replacement (they may both select the same one), find the probability that they both select a

Luisa has 8 chapters of a book left to read. If she reads 2/3 of a chapter a day, how many days will it take her to finish the book?