What is value of a in the equation 5a-10b=45, when b=3?

A cube is packed with decorative pebbles. If the cube has a side length of 2 inches, and each pebble weighs on average 0.5 lb per cubic inch, what is the total weight of the pebbles in the cube?

Add the polynomials (-5x2+8x) + (2x2-3x+7) -3x^2+5x+7 7x^2+8x+11 -7x^2+11x+7

in Mr. whiteners class, 7 out 35 students olay middle school basketball. what percent of studwnts in mr. Whitener's class play middle school basketball?

If 1/5 of a given number is 20, what is one/four of the given number

Which answer choice gives the correct explanation for this problem? 40 : 4 A) 4 groups of 10 positives B) 4 groups of 10 negatives C) 10 groups of 4 positives D) 10 groups of 4 negatives

Divide. -24/7 enter the answer as a mixed number, in simplified form, in the box

What is the value of y 3y-1+4y+7

You can buy for apples at Stop & Shop for 0.96 you can buy 6 of the same apples at path mark for $ 1.50 which store has a better buy

The time it takes me to wash the dishes is uniformly distributed between 6 minutes and 12 minutes. what is the probability that washing dishes tonight will take me between 7 and 10 minutes?

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