If a=4, b=5 and c=7, calculate 2a + 3c

To which set of numbers does the number –5 belong? select all that apply. integers natural numbers rational numbers real numbers whole numbers

Find the area of a parallelogram with base 15 yards and height 21 2/3

Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is the length of louis's basement