Rewrite each number sentence using numerals and symbols. Find 4 less than 18 and then take the difference from 27
Pls hurry I have a matte test in 10 min

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

He concluded that a heavier object dropped from the same height as a lighter object will land

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=