exam Maths Puzzle Numerical Ability

Identify the equation whose graph has a slope of 5 and a y-intercept of 2.

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exam Other Question

Do Writing Project 3, page 707-708. (Note: There are 3 pictographs) You will need to read the introduction to WP #2 .
(The pictograms in this problem are taken from Edward Tufte's Smith bicycled 45 miles going east form Durango, and Jones bicycled 70 miles. Jones averaged 5 miles per hour more than Smith, and his trip took one-half hour longer than Smith�s. How fast was each one traveling?