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Answers by Jennifer K.

This requires knowledge of the present tense conjugations of the verb "ser."   Perhaps these conjugations could be found in your son's textbook, if he has one. If not:   I: soy You (singular/familiar): eres Third person singular or You (formal): es We:...

Hi Winston!   For a problem like these, your textbook probably gives you a formula.    p = x[1 - (1+r)^-n]/r   where p is the principal (in this case 15 grand), x is the monthly payment Victor's making (400 or 600), and n is the number of months he's...

Here's one way of solving this problem: Plant 1 has 28 cars, x of which will be sent to dealership A, and the rest, 28-x, will be sent to dealership B. Transportation cost for Plant 1 to Dealerships A and B will be 220(x) + 300(28-x) Plant 2 has 8 cars, y of which will be sent...

You take the same approach as with simplifying other rational expressions like... fractions!  Simplifying 15/6 is a no-brainer for most algebra students. One method is to break up both the numerator and denominator into factors. --> (3*5)/(2*3) Obviously, you would cancel...