Which of the following represents the additive identity?

1. ab = ab

2. a x 1 = a

3. a+b = b+a

4. a + 0 = a

If a patient dosage decrease by 25 milligram per day, how much change will it be in a week?

Match the reasons with the statements in the proof to prove that triangle AXC is congruent to triangle BXC, given that angles 3 and 4 are right angles and AX = BX. Given: ∠3 and ∠4 are right angles AX = BX Prove: △AXC ≅ △BXC 1.

Suppose that 5.9 percent of the statues unearthed in Qin Shihuangdi's tomb are statues of horses. Express 5.9 percent as a decimal.

How many integers are in the following list: 1, 2, 4, 8, ..., 2048?

Meredith says since 1 times 1 equals 1, then 0.1 times 0.1 equals 0.1. Do you agree?

Last year, a construction worker had a gross income of 29,700 of which he contributed 7% to his 401 (k) plan. If he got paid monthly, how much was deducted from each paycheck for his 401 (k) plan?

Find the circumference of both circles. Use 3.14 for a 6 in. 9 in.

Determine which of the following ordered pairs satisfies the given system of equations. {-2x+y=8 y=2x/5 - 8 Select all that apply: (72,-72) (-3,2) (-1,5) (-2,-445) (-10,-12)

Suppose that you are running a concession stand when a person gives you $18 and asks for six soft drinks and as many hot dogs as the remaining money will buy. If soft drinks are $1.00 and hot dogs are $1.

Solve. Write the solution set in interval notation. x + 7 ≥ 4x - 2