What percent of our world is made of Hydrogen and Helium?

Write three measurements using grams and three measurements using milligrams that total 15.4 grams

Emily made 4 liters of fruit punch for her party. How many milliliters of punch did she make?

Two thousand adults were randomly selected and asked whether they had shopped online in the previous week. Their responses are in the table.

There are 250 students in the junior class. 50 of them will be selected at random to participate in a survey. Determine the sample space for the students being chosen. a) 250p50 b) 250c50 c) 50 d) 250

Which of the systems below is equivalent to the given system? 0.01x - 0.05y = 0.1 0.4x + 0.3y = 0.9 1. 10x - 5y = 10 and 4x + 3y = 9 2. x - 5y = 10 and 4x + 3y = 9 3. x - 5y = 1 and 4x + 3y = 9

When y is 3 and x is 5 what's the constant of variation

Find the value of c so that (x+1) is a factor of the polynomial p (x). p (x) = 2x^4-5x^2+cx+1

A company ordered 10 boxed lunches from a deli for $74.50. each boxed lunch cost the same amount. which equation represents the proportional relationship between y, the total cost of the nixed lunches and x, the number of boxed lunches? A) 7.

Change the following numbers into percent 0.05

Calculate the discriminant: 5x² + 2x - 2 = 0