Calculate Brandee's mean. (Refer to the glossary if you do not remember how to do this.) Does this mean score really represent her abilities? Why or why not? PLS HELP ASAP I WILL MARK BRAINLIEST! DO NOT MAKE UP AN ANSWER OR GIVE ME A FILE! OR I WILL REPORT!​

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

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

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2