Which of the following is equivalent to the expression below? 2/5 + 1/4

Write the following ration as a reduced fraction. Simplify your answer when possible: 14 to 84

Janey said that 5/6 converted to a decimal was 1.2. Explain the mistake that Janey made and what she should do correctly next time.

The difference between Bob age and frank age is 3. the sum of 8 times Bob age and twice frank age is 94 how do I know who is older (I need to know to make an equation)

Tests for tuberculosis like all other diagnostic tests are not perfect. QFT-G is one of such tests for tuberculosis. Suppose that for the population of adults that is taking the test, 5% have tuberculosis. The test correctly identifies 74.

When you multiply two positive integers the product is a positive integer

Maria is standing next to a tree. The tree cast a shadow that is 5.4 ft long. The angle formed from the sun hitting the tree and Maria are the same. Marie is 5 ft tall. How tall is the tree?

0.0432 in scientific notation

The quotient of 40 and the difference of a number y and 16 and y = 20

Jenny goes to dance class every 6 days, karate class every 12 days, and to the library every 18 days. On December 1st she went to both classes and the library. On what date will she do both classes and go to the library?

The volume of a triangular prism with 5cm 7cm and 13 cm