Barbara has 7 swimsuits. she needs to take 4 swimsuits on a vacation. in how many different ways can she choose 4 swimsuits out of 7 a. 35 b. 840 c. 24 d. 210

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.

1) your friend taylor missed class today and needs some identifying solutions of systems. explain to taylor where to find the solution(s) of any system using its graph 2)taylor graphs the following in desmos and decides that f(x) = g(x) at x = 0, x = 1, & x = 3. f(x) = 2x+1g(x) = 2x2+1 provide taylor some feedback that explains which part of the answer was incorrect and why.

What graph represents an even function