Abox of shapes contains 3 rectangles, 5 triangles, and 7 hexagons. what is the probability of drawing a triangle or a hexagon? (note: percentages are rounded to the nearest tenth of a percent.)

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?

Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !