Answer:
21
Step-by-step explanation:
According to the diagram we can prove that the two triangle are congrunt use ing HL,so that 3x+9=45-6x
x=4
SO angel ABD is 21
Answer:
13,500
Step-by-step explanation:
x + y = 750
750 x 18 = 13.500
The length of given frame is 7 inches
The width of given frame is 5 inches
Assume the thickness of frame is 1 inches (as it is not clear in picture)
Area of square will be 7*5= 35 sq.inch.
Area of hollow surface 5*3= 15 sq.inch.
Area of frame = square area- hollow area= 35-15
Area of wooden portion of frame = 20 sq.inch.
Correction
brainly.com/question/15712098
Answer:

Step-by-step explanation:
-We find the surface area of the formula as follows:

#We then find the area of the remaining fraction if she only ate one third:

Hence, Tina ate
of the pizza.
Answer:
C
Step-by-step explanation: