If 4x^2 - bx + 81 is a perfect square trinomial. Then the value of b is

Two Δ are similar. The sides of the first Δ are 2,4,6. The largest side of the second Δ is 24. Find the perimeter of the second Δ.

In Gloria class about 25% of the students wore sweatshirts to school one day. If there are 29 students in her class about how many students did not wear sweatshirts to school that day?

01 The list below shows the prices of T-shirts at a clothing store. {8, 10, 10, 12, 15, 15, 18) Which statement best describes the mean of this ser?

Es - Which relation is not a function? A) Input: name of student: Output: GPA Input: price of an item; Output: UPC code Input: name of student: Output: birth month Input: next door neighbors: Output: zip code

The length of a rectangle is 7 inches longer than its width. If the area of the rectangle is 144 square inches, what are the dimensions?

At a school number of boys to girls 11:9 there are 124v more boys than girls work out the number of student at the school

Suppose that a brand of lightbulb lasts on average 1730 hours with a standard deviation of 257 hours. Assume the life of the lightbulb is normally distributed. Calculate the probability that a particular bulb will last from 1689 to 2267 hours?

Factor completely 2x^2-2x-40

To rent a certain meeting room, a college charges a reservation fee of $42 and an additional fee of $7.60 per hour. The math club wants to spend less than $110.40 on renting the meeting room.

Write a phrase for each algebraic expression. Question: s+7?