If isosceles triangle abc has a 130° angle at vertex b, which statement must be true?
mza = 15° and mc = 35°
mza + m2b = 155°
mza + m2 = 60°
mza = 20° and m_c = 30°
a

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Solve the equation.then check your solution 8=1.88+a

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.