Which statement is correct about relations and functions? all relations are functions. all functions are relations. no relations are functions. no functions are relations. find the value of -7 + 3(-12) ÷ (-3). -16 -19 -40 5 if f( n ) = n 2 - n , then f(-4) is -20 20 12 -12

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.