Nobu is making a bracelet with equal sections who makes 4/8 of the bracelet on saturday and 2/8 of the bracelet on sunday which model can be used to find the total fraction of the bracelet that nobu makes on saturday and sunday

Abiologist is recording the loss of fish in a pond. he notes the number of fish, f, in the pond on june 1. on july 1 there were 63 fish in the pond, which is 52 fewer fish than were in the pond on june 1. which equation represents this situation? a. f – 52 = 63 b. f – 63 = 52 c. 63 – f = 52 d. f – 63 = –52

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?