Find the length of the missing side.

a= cm
b= cm
c= cm

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

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?