What is the a-value in the following quadratic equation?

y=-x^2+x-20

Find the value

Find the first six terms of the sequence described by the following recursive formula: an = an - 1 + an - 2 where a3 = - 5 and a4 = 3

Select all that apply. Several pennies are tossed in the air. Twelve land heads up and fifteen land tails up. Which of the following ratios are correct? 12 heads to 27 coins 15 tails to 12 heads 5 tails to 9 coins 12 heads to 15 tails

Which two numbers on the number line have an absolute value of 4? Select the location of both numbers on the number line. -5 -4 -3 -2 -1 0 1 2 3 4 5

A clothing store has the sign shown in the shop window. Pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. The cost of each shirt is before the discount is $12, and the cost of each pair of jeans is $19 before the discount.

Eva wants to make 2 pieces of pottery. she needs 3/5 pound of clay for 1 piece and 7/10pound of clay for the other. she has 3 bags of clay that weigh 4/5pound each.

Suppose a soup can has a diameter of 10 cm and a height of 12 cm. What is the volume of soup in the can? (to nearest whole number) A) 36 cm3 B) 48 cm3 C) 144 cm3 D) 942 cm3

A grab bag contains 9 nasty teeth and 6 spinners. Bill is the first to select from the grab bag and then Jane selects from the remaining gifts in the grab bag.

Give an example of multiplying a negative and a negative

Definitons: 1) Expand (multiply over brackets) 2) collecting like terms 3) rearranging 4) solving equations

In the expression, 5.28 x 10^3, which number is the base?