4 tens + 14 ones = 5 tens + ___ ones

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

What is the factored form of the following expressions? d^2 – 13d + 36

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.