Evaluate each expression.
a) 3 + x for x = 1/2 b) 3 -- x for x = -2 c) 3x for x =1/4

Find the quotient. 50a2 – 98b2 -5a +7b

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

Find the value of the variable and the length of each secant segment.