Megan buys 3 bracelets and 3 necklaces. each bracelet costs 5. megan pays on 40 and gets 4 change. what is the cost of one necklace?

Answer this question! 30 points and brainliest!

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

Y=21.95x+10 y=22.45x solve by substitution