i thought of a number, increased it by nine, and then multiplied by 6. the resulting number was 282. what was my number

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

Daniel expanded the expression as shown below -2(-8x-4y+3/4)=-10x-8y-11/4 what errors did he make? check all that apply

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two