David bought 11 gifts. He spent $5 on each gift. For each gift he packed as many candy coins as he could fit into a small sack. The
candy coins were 3 for $1. How many candy coins did David purchase?

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?