Sandra is 4 feet tall. Pablo is 12% taller than Sandra, and Michaela is 7% taller than Pablo. Part 1 out of 2
Complete the explanation of how to find Michaela's height with the given information.
(select) v Sandra's height by 0.12 and (select)
4 to get Pablo's height.
Then (select) v Pablo's height by 0.07 and (select)
height.
Pablo's height to get Michaela's
Next

Pick the expression that matches this description: a polynomial of the 5th degree with a leading coefficient of 7 and a constant term of 6 (choice a) 7x^5+2x^2+6 (choice b) 7x^6−6x^4+5 (choice c) 6x^7−x^5+5 (choice d) 6x^5+x^4+7

How to do this , and can some one explain

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