Darryl spent $276 on books. math books cost $21 and English books cost $30. if he bought a total of 11 books how many of each kind did he buy?

Figure ABCD is a square. Prove BD ≅ AC. Square A B C D with diagonals is shown. Statements Reasons 1. ABCD is a square 1. given 2. ∠DAB, ∠ABC, ∠BCD, and ∠CDA are right angles 2. definition of a square 3. ∠DAB ≅ ∠ABC ≅ ∠BCD ≅ ∠CDA 3.

The volume of a rectangular

A rectangular prism has a width of 92 ft and a volume of 240 ft³. Find the volume of a similar prism with a width of 23 ft. Round to the nearest tenth, if necessary.

Determine whether the quantitative variable is discrete or continuous. Number of notes in a song

Someone is reading a book that is 347 pages long ... But he or she is on page 203 ... So what is the percent of the number does this person has to read left?

How many permutations of {1, 2, 3, 4, 5, 6} exist such that: (a) No even integer is in its natural position. (b) Exactly three integers are in their natural position. (c) 1 and 6 are in their natural positions.

Use the formula F=1.8C+32 to convert - 20° into fahrenheit.

Solve in the correct order: (-3 - 4) / - 9 A) - 7/-9 B) - 7/9 C) 7/9 D) - 1/9

Suppose a lab needs to make 400 liters of a 39% acid solution, but the only solutions available to the lab are 20% acid and 50% acid.

If the price is $40, the number of units sold is 450, and the average cost is $33, what is the profit?