Neil took his family of five out to dinner at hogtastic pit bbq they all ordered the buffer and drink at 12.80 each neil left a 15% gratuity for the waitress on the after tax bill based on a tak rate of 7.5%

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

(c) the diagram shows the first three shapes of a matchsticks arrangement. first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.