At a charity bike rally, 2/3 of the student population of Heartsworth Middle School participated. If there are 1,200 students in Heartsworth, how many participated?

For each function f, find f^-1 and the domain and range of f and f^-1. f (x) = 3x+4

Photon Lighting Company determines that the supply and demand functions for its most popular lamp are as follows: S (p) = 400 - 4p + 0.00002p4 and D (p) = 2800 - 0.0012p3, where p is the price.

60 is 65% of what number

Speed skiing takes place on a course that is two third mile long. How long is the course?

0.812 as a mixed number or fraction in simplest form

A sports team came to town. The stadium filled all 10,000 seats at two-level pricing. Level 1 tickets are $50 each, and level 2 tickets are $150 each. The stadium made $75,000 in ticket sales.

Which position of the bar magnet would have the strongest attraction to the north pole of the other bar magnet

What is a key purpose of using simulation when comparing two populations? A) Calculating theoretical probability B) Observing how probability works with real items C) Checking that the correct test statistics were used D) Finding a precise answer to

Study results indicate that the mean length of time people spend on a bus in a city is between 21.2 min and 24.5 min What is the study margin of the error?

Write an equation. Let x be the unknown number. Subtracting two times a number from 10 is - 3.