The ratio of boys to girls in ms cunninghams class is 2 to 3 there is 18 girls in the class

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

Which of the following are accepted without proof in a logical system? check all that apply.