Find m∠ECD

m∠B = __°
m∠ECD = __°

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost