A line passes through the point (1, 4) and has a slope of 7. Write an equation in slope-intercept form for this line

Ihave this math question 2/3 ÷2 1/10=

What is the number 321,000,000 in scientific notation? also what is the number? ?

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