The work of a student to find the dimensions of a rectangle of area 8 + 12x and width 4 is shown below:

step 1: 8 + 12x
step 2: 4(4) + 4(8x)
step 3: 4(4 + 8x)
step 4: dimensions of the rectangle are 4 and 4 + 8x

in which step did the student first make an error and what is the correct step?

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Iwill give you ! what is the measure of ∠v ?