The expression 5x2 + 2x + 3 represents the area of a square. The area of rectangle is represented by 2x2 + 3x + 1. Which expression represents th
combined area of the square and rectangle?
a. 7x4 + 5x2 + 4
c.7x2 + 5x + 4
b. 3x4 - x2 + 2
d. 3x2 - x + 2

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

Complete the steps to find 4.830 ÷ 5

What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?