Select the correct answer.
for which acute angle are the sine of the angle and cosine of the angle equal?
30
45
60
75

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?