(a) What is the decimal representation of (10000)7? (b) What is the largest number that can be represented with four digits in base 7? (Give the base-7 representation of the number as well as its decimal representation.) (c) What is the relationship between the values of the two numbers in the previous two questions?

Which statements regarding the diagram are true? check all that apply.

The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2