How many hours are in 1/4+3/5

If l add up all the different prime factors of 1998, what answer would I get?

Ari has a total of 22 coins consisting of pennies and nickels. The total value of the coins is $0.54. Which equation can be used to find the number of pennies Ari has?

Which is true 10.59>10.60 10.590=10.59 10.43<10.24 9.0005=9.0050

A restaurant serves 3 kinds of pasta, 5 kinds of sauces, and 4 side dishes. The number of different meals that include 1 pasta, 1 sauce, and 1 side dish is 3 x 5 x 4 = 60.

Simone is going snowboarding tomorrow if the temperature is equal to or colder than 5 degree Celsius. Write an inequality that is true only for temperatures (t) at which Simone will go snowboarding.

The work accomplished by two people working on the same task for the same amount of time but at different rates is given by the equation w=r1t+r2t. solving this equation for t, which of the following steps would not be algebrailly correct?

Each product is in the form ax2 + bx + c. (x + 3) 2 = x2 + 6x + 9 (x + 4) 2 = x2 + 8x + 16 (x + 5) 2 = x2 + 10x + 25 (x + 6) 2 = x2 + 12x + 36 Which of the following describes the relationship between b and c? A: c is 1.5 times that of b.

Geometry express the area of a square with sides of length 5ab as a monomial

Jon wrote the expression shown. -4x+3+5x-1 Write the expression that is equivalent to Jon's using the fewest number of terms possible.

When testing μ, how do we decide whether to use the standard normal distribution or a Student's t distribution? If the x distribution is normal and n ≥ 30 with known σ we use the Student's t.