A high school chess club has 12 members. In how many different ways can they choose a president and vice president? a. 132 b. 66 c. 23 d. 144

What is the value of the digit 6 in the number 896,000

Which of these shows 3q + 5 rewritten using the commutative property of addition? 5q + 3 5q - 3 5 - 3q 5 + 3q

Ao analisar uma amostra desconhecida inicialmente a 25°c um químico aqueceu-a e verificou que o ponto de fusão era igual a 167°c. Qual é o gráfico de mudanças de estado fisico da atmostera analisada.

a tank is 1/6 full of gasoline. Of 8 litres are added it would be 1/4 full. how many litres does the tank hold

The graph below shows f (x), which represents a parent function, and g (x), which represents a translation of that function. On a coordinate plane, 2 exponential functions are shown. f (x) decreases in quadrant 2 and approaches y = 0 in quadrant 1.

The side lengths of triangle RST are 5, 12, and 13. Which set of ordered pairs form a triangle that is congruent to triangle RST?

Write an inequality that represents the description and then solve. Dave has $15 to spend on an $8 book and two birthday cards (C) for his friends. How much can he spend on each card if he buys the same card for each friend?

How many terms are in the arithmetic sequence - 27, - 16, - 5, ..., 292? Hint: a_n=a_1+d (n-1), where a_1 is the first term and d is the common difference

Rachel invested $15,000 in a nine-year CD giving 8.5% interest, but needed to withdraw $4,000 after two years.

What temperature is equivalent to 373 k? a. 0 °c b. 50 °c c. 100 °c d. 373 °c