Sarah and Katie are selling brownies and cookies for a school fundraiser. Sarah sells 5 brownies and 8 cookies and earns $16.50. Katie sells 7 brownies and 4 cookies and
earns $19.50. If Sarah and Katie are charging the same amount of money for brownies
and cookies. What is the cost of a brownie and the cost of a cookie?
help plz!

Classify the following triangle check all that apply

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

The description below represents function a and the table represents function b: function a the function is 5 more than 3 times x. function b x y −1 2 0 5 1 8 which statement is correct about the slope and y-intercept of the two functions? (1 point) their slopes are equal but y-intercepts are not equal. their slopes are not equal but y-intercepts are equal. both slopes and y intercepts are equal. neither slopes nor y-intercepts are equal.