Elaine bought a total of 20 shirts and pair of pants. She bought 7 more shirts than pants. How many of each did she buy?

Write 249104330 in expanded form

In a survey conducted in an office, 60% of the sample respondents agreed that employees should have flexible working hours. If the margin of error is ±2%, the expected population proportion that wants flexible working hours is between % and %.

Solve the equation for x, accurate to three decimal places: ex-2 + 4 = 91

A patient needs 0.024g of a sulfa drug. There are 8 mg tablets in stock. How many tablets should be given?

How did cell phones change communications in the early 1990s?

What is half of 90?

1,49,1625,3649, ... what is the next term in this series?

Combine like terms to create an equivalent expression - 4/7p + (-2/7p) + 1/7

Alice, ben and carol shared a sum of monet they received, how much money did ben receive

What is thirty-four and twelve hundredths as a decimal number?