Simplify:

7j-6k-5j+4k

also what is 30% of 520

Find the surface area for the given cylindar base of 20 and hight of 6 ...

The length of a rectangle is 8 more than the width. The area is 825 square inches. Find the length and width of the rectangle

A floor lamp originally cost $44.50. Over a period of two months, it underwent the following changes in price.

A biometric security device using fingerprints erroneously refuse to admit 1 in 1,000 authorized person from a facility containing classified information. The device will erroneously admit 1 in 1,000,000 unauthorized persons.

Which of the following statements is not true? A. A foot is longer than a yard. B. A mile is longer than an inch. C. A centimeter is longer than a millimeter. D. A kilometer is longer than a meter.

A pair of vertical angles has measures (2y+5) ° and (4y) °. What is the value of y? -5/2 -2/5 2/5 5/2

Expression for 8 more than the difference of 2x and 1

American car makers produce 5650000 cars each year. in a report ben wrote that americans made 65*0000 cars. What mistake did ben make? How can he fix it?

According to the Complex Conjugate Root Theorem, if a+bi is a root of a quadratic equation, then __blank__ is also a root of the equation. Which expression correctly completes the previous sentence? a-bi a+bi -a-bi -a+bi

after the first hour of the monsoon 23 mm precipitation has fallen after the second hour a total of 61 mm of precipitation at Fallen how many millimeters of precipitation fell during the second hour