Xavier needs to bike a minimum of 80 miles this week for his training. if he already biked 14 miles this week, then how many miles should he bike on each of the 6 remaining days this week?

What is the absolute value of the complex number -4-sqrt2i

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.