Alvin's age is two times Elga's age. The sum of their ages is 78. What is Elga's age?

What is the median of this set of dа ta: 593, 588, 540, 434, 420, 398, 390, 375

Sarah writes a proof to show that the congruent triangles MBC and Mechave corresponding sides of equal length. Her proof is shown below. There exists a series of transformations that carries MBC onto M'B'C' because they are congruent.

Where in real life do you work with radical expressions and functions? Give an example of your own.

Write the numbers in order from least to greatest. 3.4 2.9 √15 √6

A regular postal clerk sorts 100 letters in c seconds while a part time worker recquires p seconds to sort 100 letters.

A carpenter is putting a skylight in a roof. If the roof measures 10x + 9 by 7x + 7 and the skylight measures x + 5 by 3x + 3, what is the area of the remaining roof after the skylight is built?

What does principle amount mean

If z varies directly as x and z=30 when x=8 find z when x=4

Which measurement statement is correct? A. There are 2 cups in a pint B. There are pints in a cup C. There are 4 quarts in a pint D. There are 4 pints in quart

What is the surface are of a storage b