What type of polygon is shown?

convex heptagon
concave heptagon
concave octagon
convex octagon

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

In a city, 6th and 7th avenues are parallel and the corner that the pizza palace is on is a 54° angle. what is the measure of the angle that is made with 7th ave and broadway on the corner of the shake hut?

Multiply and subtract these polynomials and simplify. enter your response in standard form (2x3 - 3x + 11) – (3x2 + 1)(4 – 8x)