What percentage did you tip if your lunch was $5 and you left $1

Round 0.3715 to the nearest tenth

Andria is conducting an experiment to determine whether a new medication is effective in reducing swelling. She gets 1,000 volunteers with swelling and divides them into 2 groups.

A is a 2*5 matrix with two pivot positions. (a) Does the equation Axequals=0 have a nontrivial solution? A. YesB. No (b) Does the equation Axequals=b have at least one solution for every possible b ? A. Yes B. No

The mean number of English courses taken in a two-year time period by male and female college students is believed to be about the same. An experiment is conducted and data are collected from 29 males and 16 females.

Tim is painting his storage shed. He buys 4 gallons of white paint, and 3 gallons of blue paint. Each gallon of white paint costs $15.72, and each gallon of blue pain costs $21.87. How much will Tim spend on the paint?

In a theater the ratio of adults to children is 8 to 14 in the theatre how many children are there

Lily swims a 100 meter race she swims the first half and 27.8 seconds she swims the second half and 30. 12 seconds about how long does it take Lily to swim the whole race choose the best estimate

Find the area of a triangle with sides 13 meters, 12 meters, and 5 meters

Consider the following list of numbers. 129, 682, 121, 516, 609, 52, 47 The height of a binary search tree is the maximum number of edges you have to go through to reach the bottom of the tree, starting at the root.

A football team paid 28 dollars per jersey. They bought 16 jersey. How much money did the team spend on jerseys.