A doctor gives you 15 mg of sodium Pentothal, a truth serum. It is ultra-short-acting, about 60% of the serum dissipates every minute. Calculate the amount of serum left in your bloodstream after 3 minutes.

Solomon buys soda at a store that charges $1.50 per soda. Esther buys soda at a different store. The table shown here gives the cost when she buys 7, 8, and 9 sodas. Is soda more expensive at Solomon's store or Esther's store?

EBRA FION Consider the quadratic equation x2 = 4x - 5. How many solutions does the equation have?

7.5 (3x + 4), when x = 7

3. Cornelia spends 2 2/3 hours studying for her big science test. She spent 2/3 of an hour finishing her writing assignment and 1/4 of an hour playing outside. How much time did she spend overall on the three activities?

Through : (1,2), prep. to y = - 1/6x - 3

Radius of a circle is 6.35m. What is the area

Solve for x and y 1.45 x + 1.55y = 20 and x + y = 29.80

If Practice Makes Perfect, And Nobody's Perfect. Why Practice?

Earning $12.00 an hour; working 80 hours in 2 weeks. What is your pay?

if the minimum wage in 2017 was $13.15 and in 2018 it is $14.45, what percent did minimum wage increase