Alex bought a T-shirt for $24.25 this week the T-shirt cost $5.95 less ride in in value with an addition expression to find the weeks cost of the T-shirt

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )