Which expressions are equal to 0 when x=-1

The latest demand equation for your Yoda vs. Alien T-shirts is given by: q = - 40x + 800 where q is the number of shirts you can sell in one week if you charge $x per shirt.

What does this expression represent? 5-n a. Five more than some number b. five less than some number c. some number less than five. d. some number more than five

Chitchat wireless charges $0.30 per minute plus a monthly base fee. In septembermaggieised 120 minutesand her bill was $51. Write and solve and equiationto fing the cost if maggie used165 minutesin october

Round 4,575 the: a) nearest tens b) nearest thousands

7. A box contains 5 balls. Two are numbered '7', two are numbered '8', and one ball is numbered '9'. Create the probability distribution for drawing a ball and writing down the number on the ball. 7 248 19 x P (X) 7a.

If you add a constraint to an optimization model, and the previously optimal solution satisfies the new constraint, will this solution still be optimal with the new constraint added?

These are the first six terms of a sequence with a1= - 3: - 3, 8, 19, 30, 41, 52, ... Find a recursive formula for this sequence that is valid for n>1. Write your answer in simplest form.

180 people filled out a survey about their favorite color. 95 of the respondents were female. 21 males responded that their favorite color is red.

Kristin's three-year old sister is trying to arrange pink and red Starbursts in rows. She has 360 pink Starbursts and 150 red Starbursts.

A plane is flying at 31,348 feet. It needs to rise to 37,000 feet in two stages. In stage 1, it rises 5% of its initial altitude of 31,348 feet. In stage 2, it rises at a rate of 140.3 feet per minute.