Cho tam giác ABC có diện tích 30 cm2. G là trọng tâm của tam giác. Tính diện tích tam giác BGC

Agrocery store has 12 lb of trail mix that is 10% banana chips. the store's manager would like to add banana chips to bring the new mix up to 25% banana chips. write and solve a system of equations to find out how many pounds of banana chips manager needs to add.

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step