A farming community collected data on the effect of different amounts of fertilizer, , in 100 kg/ha, on the yield of carrots, , in tonnes. The resulting quadratic regression model is = −0.52 + 1.4 + 0.1. Determine the amount of fertilizer needed to produce the maximum yield.

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

I’m which figure is point g an orthocenter

How do you solve a question like this?