1.
two times a number, x, plus 3 times a number, y, equals 50. four times x minus 2 times y equals 4. what are the numbers?
x = 7, y = 12
x = 19, y = 4
x = 10, y = 18
x = -11, y = 24
2.
one times a number x, plus 2 times a number y, equals 9. negative one times x minus 3 times y equals -14. what are the numbers?
x = 7, y = 12
x = -1, y = 5
x = 5, y = 1
x = -11, y = 24

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

2pointswhich of the following appear in the diagram below? check all that apply.d a. zcdeов. сеo c. aéo d. zdce

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?