Humberto evaluates the expression 4t2 for t =3. He correctly substitutes 3 for t in the expression, but then says that the value is 144. Fill in the blanks to explain Humberto’s error.

Humberto first multipliedbyto getThen he multipliedby itself. Then he should have multiplied the result, byThe correct value of the expression is

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

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