Which polynomial can be simplified to a difference of squares?

a. 10a2 + 3a - 3a - 16

b. 16a2 - 4a + 4a - 1

c. 25a2 + 6a - 6a + 36

d. 24a2 - 9a + 9a + 4

Veronica loves to create creative things. She can make 5 craft pieces in 5 days. On the basis of a contract she has to make 20 pieces of crafts. How many days will she take?

65% of what number is 39

Jeremy brought a souvenir while on vacation. The item cost $22, but the total bill was $23.43. What percent was the sales tax?

If the simple interest on $5000 for 8 years is $2000. then what is the rate? The rate is %?

Write 1/1,024 as an expression using a negative exponent other than - 1

What are the solutions of x2 - 2x + 17 = 0? A. X = 2i or x = - 2i B. x = 1 + 4i or x = 1 - 4i C. x = 4i or x = - 4i D. x = 1+2i or x = 1 - 2i

Let f (x) = 4x2-5. A new quadratic function g (x) is the function f (x) stretched vertically by a factor of 2. What is the equation of this new function g (x) ? Question 5 options: g (x) = 4x2-3 g (x) = 8x2-10 g (x) = 4 (x+2) 2-5 g (x) = 8x2-5

Verify the identity: sin 4x = 2 sin 2x cos 2x

Steven has a bag of 20 pieces of candy. Four are bubble gum, 4 are chocolates, 4 are fruit chews, and the rest are peppermints. If he randomly draws one piece of candy what is the probability that it will be chocolate? A. 0.1 B. 0.2 C. 0.25 D. 0.4

What is 3.75 dollars rounded to the nearest dollar