Question

Need help with my homework plz

Answer 1

The first one.

Explanation:

The square root of 144=12

12*7/16=r5.25=21/4=rational

Answer 2

`{ \tt{ √(144) . (7)/(16) }} \\ \\ = { \tt{ √(144) * (7)/(16) }} \\ \\ = { \tt{12 * (7)/(16) }} \\ \\ = { \tt{ (21)/(4) }}`

Answer: 21/4, rational