A 10-foot ladder is leaning against a wall. The bottom of the ladder is 4 feet from the wall as shown in the picture. Which of the following is the approximate distance from the top ladder base of the wall.

A) 6ft
B) 9ft
C) 11ft
D) 14ft

3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab