Cho hình chóp sabcd có đáy abcd là hình thoi tâm o . sb vuông góc abcd khẳng định nào sai ?
a. sc vuông góc bd
b. sa oc
c. sobd
d. bcsb

fghrtyhrtsyut jyt u6su

step-by-step explanation:

i think the answer is true

step-by-step explanation:

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.

vwhat effect does the word head have on the meaning of this passage?

a. it demonstrates how intelligent he was.

b. it shows he was a favorite of the teachers.

c. it indicates he would be a good preacher.

d. it reveals how self-important he was.

how does the choice of the word head contribute to the passage’s tone?

a. it offers a sense of entitlement.

step-by-step explanation: