Julia's text messaging plan costs \$10 for the first 450 messages and 25¢ for each additional text message. If she owes \$52.75 for text messaging in the month of October, how many text messages did...

A missle is lauched along a path determined by the equation f(x)=-2x^2+72x, where f(x) is the height of the missle in feet x seconds after the launch. A plane is flying nearby at a height of 650...

Julia's text messaging plan costs \$10\$⁢10 for the first 450450 messages and 25¢25⁢¢ for each additional text message. If she owes \$52.75\$⁢52.75 for text messaging in the month of October, how many...

A)shifted 4 units to the right and 5 units down B)shifted 4 units to the right and 5 units up C)shifted 5 units to the right and 4 units down. D)shifted 5 units to the left and 4 units...

The three sides of a triangle are n, 4n+14n+1, and 5n−85n−8. If the perimeter of the triangle is 93cm93⁢cm, what is the length of each side? Separate multiple entries with a comma...

When corn is harvested, corn stalks are left behind in the field. These subsequently begin to decay. Would the decaying corn stalks be considered part of the biotic or abiotic environment? Why or...

text messaging plan costs \$14\$⁢14 for the first 350350 messages and 25¢25⁢¢ for each additional text message. If she owes \$72.50\$⁢72.50 for text messaging in the month of April, how many text messages...

A)is it rational because the product of two rationals numbers is rational. B)is it rational because the product of a rational and an irrational number is rational. C)it is irrational because...

Jennifer's scores in A2 this year are 100,85,55,95,75,68,78,88,94,91, and 77. Find the mean and standard deviation. What percent of these scores are within one standard deviation of the mean? Round...

Voter registration records show that 68% of all voters in Indianapolis are registered as Republicans. To test whether the numbers dialed by a random digit dialing device really are random, you use...

Does the following function represent exponential growth or decay? What is the percent rate of change to the nearest tenth of a percent?  y=(1.2)^-4x

The number of cells in a culture after x hours is given by the function y(x) = 7e2x Create the inverse function that predicts the number of hours we must wait until a given number of cells...