Twice the difference of a number and 9 is 5

Use the variable c for the unknown number.

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?

Which is 10% of 340? A. 0.34 B. 3.4 C. 34 D. 34.1 E. 340

Luke is 5 years younger than 3 times in Sydney's age in the situation what does 3s represnt

Solve the equation: 34=2m-8 (Show your work)

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