Triangle's height

Area = 45 cm

b = 9 cm

h=?

22/27+5/18+-7/10 add and simplify

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15 : 3 = 5. Explain why it is true that 1.5 : 0.3 and 0.15 : 0.03 have the same quotient.

Describe la situasion de esta expresión - 3+4

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What is 4=-6w+8 (w+2) ?