Which of the following is a perfect square trinomial? a. x2 + 10x + 25
b. x2 + 5x + 10
c. XP + 10x + 20
d. x2 + 10x + 50

What is 1/3x5 on anuber line what does it look like on a number line

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft

In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.