If 7(3x+9) and 21x + t are equivalent, what is the value of t?

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =