There are 7 more girls than boys in a class. there are 23 students in the class in all. how many girls are there in th class. what are the unknowns in this problem

Use the function nest to evaluate p(x) = 1 + x + · · · + x50 at x = 1.00001. (use the matlab ones command to save typing.) find the error of the computation by comparing with the equivalent expression q(x) = (x51 − 1)/(x − 1).

anyone? find the second, fifth, and ninth terms of a sequence where the first term is 65 and the common difference is -7. 72, 93, 121 72, 79, 86 58, 37, 9 58, 51, 44

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).