Asap! what numbers round to 756,000 using 2,5,5,8,6, and 2?

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

How do you solve a question like this?

Savannah had 40 iris blooms last year this year she had 15% more iris blooms how many more hours blooms did savannah have this year