Mike and kim invest $12,000 in equipment to print year book for school. each yearbook costs $5to print and sell for $15. how many yearbook must they sell before their business breaks even? a.800 year books ,b.1200 yearbook ,c.2400 yearbook,1800 yearbook

In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

Given a normal distribution with µ =50 and σ =4, what is the probability that 5% of the values are less than what x values? between what two x values (symmetrically distributed around the mean) are 95 % of the values? instructions: show all your work as to how you have reached your answer. don’t simply state the results. show graphs where necessary.