Help need the answer quick

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me

Question 6(multiple choice worth 5 points) (05.02 lc) what is the value of x? a right angle is shown divided into two parts. the measure of one part of the right angle is 10 degrees. the measure of the other part is 2x 20 40 45 85

Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?