Subtract. What is the difference (9 * 10"") - (4 * 10 ") in scientific

notation?

(9 * 1010) - (4 * 1019 = ? * 100

10

DONE

5/y + 7/x = 24 12/y + 2/x = 24, find the ratio of x to y.

Find t24 for the sequence 100,64,28 ...

What is the simple interest owed on $900 for 9 months

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Of the 75 boys in the 7th grade class, 25 participate in at least one sport. Of the 120 girls in the 7th grade class, 30 participate in at least one sport.

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Adante begins to evaluate the expression 3 and one-third times 5 and one-fourth using the steps below.

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What is 6.78 and 8.21 rounded to tenth nearest tenth

A circle has diameter 11cm A square has side length 7cm Use Pythagoras' Theorem to show that the square will fit inside the circle without touching the edge of the circle.