How many minutes are there in 21/4 hours

Triangle jkl was dilated using the rule dm, 1/3 the image, triangle j’ k’ l’ is the result of the dilation. a.5 units b.7.5 units c.10 units d.12.5 units

Find the value of x. give reasons to justify your solutions! c ∈ ae

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122