Marisol construyó un triángulo. Un ángulo del triángulo tiene una medida de 40 °. Otro ángulo del triángulo mide 80 °. ¿Cuál es la medida, en grados, del tercer ángulo del triángulo de Marisol? (SUGERENCIA: los ángulos en triángulos suman 180 grados)

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

How many bananas are in a fruit bowl that has 200 total apples and bananas if there are 31 bananas for every 93 apples

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3