Stephanie has a total of 27 nickels and dimes. The total value of the coins is $1.95. Which system of equations can be used to find the number of nickels(n), and the number of dimes(d), that Stephanie has? A. n+d=27
0.05n+0.10d=1.95
B. n+d=27
5n+10d=1.95
C. n+d=27
0.5n+0.10d=1.95
D. n+d=27
0.15(n+d)=1.95

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5