If 5 foot tall madeleine casts an 84 inch shadow, then how tall is her friend if he has a shadow at the same time that is one foot shorter than hers

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer