One plane at 520 feet is ascending at a rate of 40 feet per minute. While another plane at 3800 feet is descending at a rate of 120 feet per minute. How long will it take the two planes to be at the same altitude?

A student number system for a county requires that the student number be 5 characters. The first 4 characters are any single digit number, but no character can repeat and the last character must be a letter.

What is a finite set

Without using (10), show directly that (10.6^-1) ^8=17.6^-8

490for an angelnualanembership fee of $500 Mr Bailey can join a country club that would allow him to pay a round of golf for $35 without the membership the country club charges $55 for each round of golf how many rounds of golf with mr.

Which measurement is most accurately describes the height of a giraffe? 25 m, 9,600 mm, 5m, or 750 cm?

Connecting a tangent and a radius to form a closed polygon will form a ... ?

A group of workers can plant 5/8 acres in 4/5 days. What is the unit rate in acres per day? Write your answer in simplest form.

Can the sum of two mixed fractions be less than 1? Why or why not

What is 20% of 148 Anyone know

A rectangle has width 12 inches and length 16 inches. the width of the rectangle is decreased by 25% and its length is increased by 25%. how does the area change & by how much?