3x - 7y - 10 2x - 5y = 12
If the plan is to add the two equations to solve, what could be the first step to solve this system of equations?
two Equations
A)
Multiply the first equation by 2 and the second equation by 3.
B)
Multiply the first equation by 5 and the second equation by 7.
Multiply the first equation by -2 and the second equation by 3.
D)
Multiply the first equation by -2 and the second equation by -3.

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Evaluate this using ! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65

Sara has been reading about different types of financial grants, including federal pell grants, academic competitiveness grants, smart grants, and teach grants. which statement about these grants is true? filling out a fafsa will not her apply for these grants. she will not have to pay back any funds she receives from these grants. these grants only go to students with less than a 3.0 gpa. she will have to pay back all the funds she receives from these grants.