To find the cross product, you can set this up as a proportion. Please see the attached paper for one of the proportions you could use.
You would then multiply the numbers that are diagonal from each other.
You would have 21(8) = 12x or
168=12x.
Answer:
Right angle
Step-by-step explanation:
90 degrees is a Right angle
5 or 1/2 since it's numerator and denominator are integers
Annillee is 12 jessi is 18 their combined ages are 30 in twelve years it would be 54