A first number plus twice a second number is 4. twice the first number plus the second totals 11.

A midsegment of a triangle measures 12 1/2 feet what is the measure of the corresponding base of the triangle?

Why is the standard deviation usually preferred over the range?

Two shipping containers are being loaded into the cargo hold of a ship. One container weighs 2.3 tons. What is the weight of the other container if the total weight of both containers is 4.15 tons?

Justine swims freestyle at a pace of 150 laps per hour. Justines freestyle speed is three times faster than her butterfly speed how fast does she swim breaststroke let b represent Justines butterfly speed in laps per hour and r represent justices

What is the answer to 10% of 90?

The sum of two consecutive numbers is - 49 what are they

Yummy Cookies just opened a brand new cookie bakery, ans sales are increasing every month! In January, the baker made 14 carrot cake cookies. In February, the baker doubled the January order, took 5 cookies home to his family, and sold the rest.

What is the value of the expression 2 1/2 x + 3 2/3 y (if x = 4 and y = 2)

The claim is that the proportion of peas with yellow pods is equal to 0.25 (or 25%). the sample statistics from one experiment include 480 480 peas with 127 127 of them having yellow pods. find the value of the test statistic.

90% of students at a university use a backpack, while the rest do not. Of all the students, 50% carry their laptops with them and 5% carry neither a backpack nor laptop. What percentage of students carry their laptops and use a backpack?