(AM GIVING BRAINLIEST) Find all pairs (x, y) of real numbers such that x + y = 10 and x^2 + y^2 = 56. For example, to enter the solutions (2,4) and $(-3,9)$, you would enter "(2,4),(-3,9)" (without the quotation marks).

Astudent survey asked: "how tall are you (in inches)? " here's the data: 67, 72, 73, 60, 65, 86, 72, 69, 74 give the five number summary. a. median: 73, mean: 70.89, iqr: 5, min: 60, max: 74 b. 60, 66, 72, 73.5, 86 c. 60, 67, 72, 73, 74 d. 0, 60, 70, 89, 74, 100

Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4

Find the amplitude of a sinusoidal function that models this temperature variation