A lot is 21 ft by 30 ft. To support a fence, an architect wants an upright post at each corner and an upright post every 3 ft in between. How many of these posts are needed?

Which algebraic expression represents the phrase "two times the quantity of a number minus 12"? 2y - 12 26-12) 26 + 12) 0 2y + 12

Roots of quadratic equation x square - 3x=0, will be

A weather forecaster predicts that the temperature in antarctica will decrease 8°f each hour for the next 6 hours. write and solve an inequality to determine how many hours tt it will take for the temperature to drop at least 36°f.

A newspaper stand sold 1,000 copies of the city newspapers for $1,600. write and solve an equation to find the price of one copy

Jasmine's plane ticket cost $466.88. She has already saved 25% of the cost of the ticket. During the next 2 weeks, she will save 1/2 of the remaining cost of the ticket. How much money will she save during each of the next 2 weeks

What does the graph of an equation reveal about the solutions to the equation? How do you solve a system of equations approximately using graphs and tables?

If the equation of a parabola is y = 7 (x-4) ^2+v and its vertex is (4,-2), what is the value of v in the equation

16+16= 32+32= 64+64= 128+128= 256+256=

The produce place sells cranberries in bulk for $2.40 a pound. The store also sells and 8 ounce package for $1.50. Which is the better buy? Show all work!

A pump discharges 278 gallons of water in 3.5 minutes. How long would it take to empty a container with 750 gallons? Round up to the nearest minute