Answer:
by multiplying all numbers seperatly by each other and adding those
Step-by-step explanation:
Answer:

Step-by-step explanation:
we have

Solve the quadratic equation to find the zero's or x-intercepts
Remember that
The x-intercepts are the values of x when the value of y is equal to zero ( water balloon reach the ground)
we know that
The formula to solve a quadratic equation of the form
is equal to
in this problem we have
so
substitute in the formula
therefore
the solution is 
His mom paid 30 and he paid 10 I did 40÷4 the got 10 then times by how many 25% each had