Sreative section - A a) b) Derive that the area of an equilateral triangle is v3 (side)”. Derive that the area of an isosceles triangle is 4 9 14p– q, where p is the length of each of two equal sides and q is the length of the base. If x, y, z are the three sides and s is the semi-perimeter of a triangle, derive that its area is Vs(s - x) (s - y) (s – z). c) - 83 Vedanta Excel in Mathematics - Book 10 32 Sca.. Date : Page: lala

2x+3y=12 x-y=6 solve the following system equations

The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges