In a right triangle ,one acute angle measure 39, what is measure of the other acute angle?
a 90
b 61
c 51
d 39

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

Find cot x if sin x cot x csc x = √2