Carlos figures he will spend on average $780 per month in rent and utilities. his total monthly expenses will total $1,950. he wants to create a circle graph depicting his monthly budget. how many degrees should be in the central angle of the home expense sector?
a. 108
b. 125
c. 144
d. 170

Use set buikder notation to represent the following set: {, -2, -1, 0}

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.