Which of these pairs are equal?
a. sin 49° and sin 51°
b. sin 33° and cos 57°
c. cos 28° and sin 72°
d. cos 14° and cos 76°?

Find an equation of the line perpendicular to the graph.

You can find the constant of proportionality by finding the ratio of

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?