7. The area of a playground is 84 yd?. The width of the playground is 5 yards longer than its length. Find the length and width of the playground. O length = 12 yd, width=7yd = yd length = 17 yd, width = 12 yd length = 7 yd, width = 12 yd O length = 12 yd, width = 17

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Find the equation of the line that goes through the points (4, –1) and (2, –5). use slope formula,equation,to find the slope of a line that passes through the points. m = use slope-intercept form, y = mx + b, to find the y-intercept (b) of the line. b = write the equation in slope-intercept form, y = mx + b.

At the county fair, the baxter family bought 6 hot dogs and 4 juice drinks for $12.90. the farley family bought 3 hot dogs and 4 juice drinks for $8.55. find the price of a hot dog and the price of a juice drink.