What value of n makes the expression, x^2+7x+n a perfect square trinomial?

A. 7

B. 49/4

C. 49

D. 49/2

78 is 15% of what number?

The measure of arc OS is (4x-18) What is the value of x?

Find the least multiple of each set of numbers 5 10 and 15

Solve each system by substitution. 1) - 3x + y=-13 3x + 4y = 8

A baby carriage is sitting at the top of a hill that is 21 m high. The carriage with the baby has a mass of 5kg whats the energy the carriage has?

There are 34 people going on a field trip. if each car holds 4 people. how many cars will we need?

An office building has 32 office on its eight floors. How many offices are on each floor? Wirte a multiplication number model to represent the problem Write a division number model to represent the problem Slove the problem Draw a visual model

Sam raked 16 bags of leafs in 8 hours. If he worked at a constant rate, how long did it take him to rake 3 bags

the unit price for sninach is 3.2 cents per ounce at that price how much would 1 pound of spanach cost (round off the answer to the nearest cent

Write a rule for the following arithmetic sequence 5.5, 6, 6.5, 7 Answer choices: a: 5n+5 b: 0.5n+0.5 c: 1/2n+5 d: 0.5n+5