1trevor and michelle's restaurant bill comes to $35.50. hey are planning to tip the waiter 20%. how much money should they leave for a tip?

2 the local chess has 60 members. twenty-four of the members are younger than twenty. what percent of the members of the chess club are younger than twenty?

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles. i'm desperate.

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

Use the distributive law to multiply. 3(4x + 5y + 6)