Hakim invests $700 in a bank that pays 5% simple interest annually. after one year he uses the money in his account to buy a computer. the original cost of the computer is $750.00. the computer is on sale for a 20% discount off of the original cost. the sales tax is 4% of the sale price. after purchasing the computer, how much does hakim have left in his bank account? show your work.

Quick! what is the area of this trapezoid?

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step