An auditorium has 20 seats. there are 20 seats in the first row, 21 seats in the second row, 22 seats in the third row, and so on. how many seats are there in all 20 rows.

Solve the following system of equations. express your answer as an ordered pair in the format (a, b) with no spaces between the numbers or symbols. 3x+4y=17 -4x-3y=-18

What is the solution to 2x2+8x=x2-16? O x=-4 Ox=-2 Ox=2 x=4

Which function has a range of y < 3? Oy=3 (2) y=2 (3) * y = - (2) * + 3 O y = (2) * - 3

Solve the inequality 5y+16<_56

Is the number 1 prime? Why or why not?

Identify the two statements that contradict each other: A) Line FA || Line AC B) Line FA and AC are skew C) Line Fa and AC do not intersect

The difference of 9 times a number and 2 is 67. Which equation below can be used to find the unknown number?

We need to substitute these problem you can take first one to understand

Which of the following situations can be represented by the absolute value of 10? Check all that apply. The temperature is 10 degrees below zero. Express this as an integer. Determine the size of Harold's debt if he owes $10.

What is the median for this set of data 37 14 22 45 57 58 61 A) 41 B) 45 C) 46 D) 58