The ratio of the number of beads karen had to the number of beads patricia had was 2: 5. after karen bought another 75 beats the ratio became 4: 15. how many beads did each girl have at first?

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Which of the following could be the ratio of the length of the longer leg 30-60-90 triangle to the length of its hypotenuse? check all that apply. a. 313 6 b. 3: 215 c. 18: 13 d. 1: 13 e. 13: 2 of. 3: 15