Write a function that models this variation: a varies directly with b and inversely with c, and when b = 10 and c = 20, . Use your function to find a when b = 18 and c = 9.

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.

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

Which equation shows y= 3 4 x− 5 2 in standard form? a 4x−3y=10 b 3x−4y=10 c 3x−4y=−10 d 4x−3y=−10