Which equation could be used to find the perimeter of an isosceles triangle, with two sides 5 inches long, a base 6 inches long and a height of 4 inches?
a. p = 2 (5 + 6)
b. p = (6 × 4) ÷ 2
c. p = 5 + 6 + 4
d. p = 2 × 5 + 6

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total