Which statement is true about the composite solid? A rectangular pyramid on top of a rectangular prism. The solid has a total of 9 faces. There are the same number of triangular faces as there are rectangular faces. The solid is formed by joining a rectangular pyramid and a triangular prism at a common face. If all of the triangular faces are congruent, then all of the rectangular faces must be congruent as well.

Its A.

Step-by-step explanation:

4 triangles, 4 rectangles, 1 square.

4+4+1=9

Thus, 9 faces.

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9 Faces

Step-by-step explanation:

Just count them lol

its 50 miles away from the starting point

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation: