What is the value of the expression below 24 × 2 - (8 + 4 power 2) ÷ 8 - 6

On a piece of paper graph f(x)=5•(0.4)^x

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices

Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain