Lechie has 21 crystals in her collection. her brother tomer has 7 crystals. how many more crystals does lechie have than tomer?

Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

Sara sells beaded necklaces she makes a profit of 4 dollars pn every neclace she sells which table represents the profit sara makes

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer