If you are trying to estimate x where f(x) = g(x) using a table of values, and
all the values for f(x) - g(x) are
negative, what does this imply?

What is the value of x when x + 7 = 21?

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

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?