Which pair of figures shows a dilation with a scale factor of 1 1/2 centered at the origin?

Which expressions are equivalent to -6 + 3m

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

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?