The equation $x^2=d$x2=d has real solutions when $d>0$d>0 .

Tina practice piano for 15 hours last month and 45 hours this month use multiplication to write a statement comparing me i was tina practice during the two months use addition to write a statement comparing the hours tina practice during the two months

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?