7t2 – 14t

4t2 – 9

this is a fraction does it have any excluded values and why

Find the sum to the equation 3+6+9+

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50