Substitute the given values into the formula, and solve for the unknown variable.
A=1/2h(B+b); A=21, B = 2, b = 5
h=?

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?