What goes in the box to make this number sentence to 7×3 equals blank

Drag the tiles to the table. the tiles can be used more than once. nd g(x) = 2x + 5 model a similar situation. find the values of f(x) and g(x) let's say that the functions f(x for the given values of x. fix)=5(4) * g(x) = 2x+5

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults. how many students and adults went if the ticket charge was $42.75

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°