Can someone please tell me what the . means when is an equation like this 6 · 3 I don't understand i am only putting 10 points because it is not that important but I would like to know so I can make sure that I am doing my math right. thank you also I will mark brainliest

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+5

(05.02) mr. morris is going to save money and replace his sailboat's mainsail himself. he must determine the area of the mainsail in order to buy the correct amount of material. calculate the area of the parallelogram to determine how much material should be purchased. be sure to explain how to decompose this shape into rectangles and triangles. describe their dimensions and show your work.