There are only nred balls and (n + 1) blue balls in a bag, Shamsa takes at random 2 balls from the bag,
Find an expression for the probability that both balls are the same colour,

How many grams must be adde to 970g to make 1 and a half kg

Acompany is testing in comparing to lightbulb designs the box plot shows the number of hours that each lightbulb design last before burning out which statement is best supported by the information of the plot

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