2 lines intersect to form 4 angles. From the top, clockwise, the angles are 1, 4, 2, 3. Which of the following pairs of angles are supplementary? Select all that apply.
∠1 and ∠2
∠1 and ∠3
∠1 and ∠4
∠2 and ∠3
∠2 and ∠4
∠3 and ∠4

Breana is selling tickets to a choral performance. on the first day of ticket sales , she sold 3 senior citizen tickets and 1 child ticket for a total of $38. breana took in $52 on the second day by selling 3 senior citizen tickets and 2 child tickets. what is the price of a senior citizen ticket?

One hundred thirty people were asked to determine how many cups of fruit and water they consumed per day. the results are shown in the frequency table. identify the conditional relative frequency by row. round to the nearest percent. the conditional relative frequency that someone ate more than 2 cups of fruit, given the person drank less than or equal to 4 cups of water is approximately . the conditional relative frequency that someone ate less than or equal to 2 cups of fruit, given the person drank more than 4 cups of water is approximately .

Angles α and β are the two acute angles in a right triangle. use the relationship between sine and cosine to find the value of β if β > α. sin( x 2 + 20x) = cos(2x + 15x 2 ) a) 25° b) 28.5° c) 61.5° d) 65°