Calculate : y
y = 20
y = 10
y = 15
y = 144
choose the only correct answer

What is the prime factorization of 23 ?me with this question

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

Multiply and simplify. 2x^2 y^3 z^2 · 4xy^4 x^2 i will mark you brainliest if right. show how you got the answer, !