Rosa is a high jumper after 5 successful jumps the high jump bar has been raised 1.5 meters how much was it raised after a successful jump

Ten times the square of a non-zero number is eqaul to ninety times the number

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

What is fraction that is equivalent to 3/8