4{3sqaured+4(116-8(2×8))} i need to know asap it 9: 30 where i live pls hwlp

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

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)