Write an algebraic expression for the given quantity. Let x represent the unknown value.

one-forth of the sum of a number and eight

Solve for x and y simultaneously: X-2y=3 4xsquared-5xy+6y=3

If m∠ABC = 53° and m∠ECD = 40°, which statement explains whether the AA similarity postulate can be used to determine whether ΔBAC ~ ΔEDC? Yes, the AA similarity postulate can be used because a reflection over line f will establish that ∠ABC ≅ ∠DEC.

It takes three bananas to make 5 loaves of banana bread. How many bananas are needed to make 42 loaves? If necessary, round to the nearest banana.

What is 23/9 plus 5/2

Torren deposits $4500 in an account earning 2% interest, compounded annually. The equation that represents this situation is A (n) = 4500 (1+0.

What is the value of k in the product of powers below? 10 Superscript negative 3 Baseline times 10 times 10 Superscript k Baseline = 10 Superscript negative 3 Baseline = StartFraction 1 Over 10 cubed EndFraction

There are 15 marbles in a bag. 7 are red, the rest are a variety of colors. You want the chance of getting red to be at least 50%. How many red do you need to add?

Write 450 miles per 18 gallons as a unit rate (miles per gallon)

If 15 hats cost $120 and all the hats all cost the same amount, what is the price of each hat?

Questions 6 to 10 are related. based on a random sample of n=15 observations, we have obtained a sample mean of x (bar) = 1050. the goal is to test: h (0) : μ≤1000 and h (a) : μ>1000 assume that x is normally distributed with σ=150.