a box contains 20 red, 10 blue and 30 yellow beads. what is the probability of a bead drawn at random being yellow or blue?

Five runners, Andy, Beth, Dale, Ella, and Tri, are in a one-mile race. Beth finished 6 second left parenthesis s right parenthesis before Ella. Ella finished 4 second left parenthesis s right parenthesis before Tri.

Vince wrote his name in all capital letters. how many of the letters have line symmetry? Lis them

7 A triangle is right-angled if the sides are a = m2 - n2, b = 2mn and c = m2 + n2 where m and n are positive integers, and m > n. Show that this is true by substituting into the equation c2 = a2 + b2.

Beach City sells sunscreen for $10.00. What is the sales tax rate if the total cost of the sunscreen is $10.83?

going into the final exam, which will count as two tests, amelia has test scores of 77 84 70 59 and 92. what score does amelia need on the final in order to have an average score of 80?

2) AT&T charges an initial fee of $5.80 plus $0.30 per text. If Izzy has her cell phone with AT&T and her total charge was $20.80, how many texts did she have?

Write the prime factorization of each number using exponents: 56 = ? 68 = ?

6/12 is repeating decmial

The sum of the least and greatest of three consecutive integers is 50. What is the middle integer?

Does changing the compound inequality x > - 3 and x < 3 from "and" to "or" change the solution set