Tanya wants to find the height of the tree. she walks away from the base of the tree so the tip of her shadow coincides with the tip of the tree's shadow at point c. be is two and a half times ec. tanya is 5 feet, 3 inches tall. how tall is the tree in feet?

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

The multiplicative property of equality states that for real numbers a, b, c, and d, if a = b and c = d, then ac = bd. true false

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1