How can you add subtract multiply with decimals

In a polL 1,002 women in a country were asked whether they favor or oppose the use of "federal tax dollars to fund medical research using stem cells obtained from human embryos.". Among the respondents, 46% said that they were in favor.

In 1992, Jason bought a gallon of gas for $1.24. Yesterday, he bought a gallon of gas for $2.08. What is the percentage increase of the price of a gallon of gas from 1992 to yesterday?

What is the area of a circle with the diameter of 1.5?

Given that a function, g, has a domain of - 20 ≤ x ≤ 5 and a range of - 5 ≤ g (x) ≤ 45 and that g (0) = - 2 and g (-9) = 6, select the statement that could be true for g. A. g (-4) = - 11 B. g (0) = 2 C. g (7) = - 1 D. g (-13) = 20

Translate the following statement into a mathematical equation: Six, plus four times a number, is eighteen. (6 + 4) n = 18 4n + 18 = 6 6 + 4n = 18 6 + 4 + n = 18

After selling some lemonade and cookies, Vivian and her brother Gil had 7-one dollar bills, 8 quarters and 6 dimes. They agreed to divide the money equally. What is the total amount of money that Vivian and Gil earned? Explain.

A rectangle has an area of 40cm. the dimensions of the rectangle are multiplied to form a new rectangle with an area of 160cm. by what number were the dimensions multiplied?

Evan deposits $500 in a savings account that earns interest. Let f (t) = 500 and g (t) = 1.05t, where t represents the time, in years, since the account was opened.

Class 10R sat a test The mean marks for the calls was 70% There are 30 students 29 of them are boys. The mean mark for the boys in the test was 62%. Work out the mean mark for the girls

One section of the pipe is 12ft shorter than the other if the long piece of pipe is 120ft long in total how long is each piece