### what is the area of a rectangle whose length is twice its width and whose perimeter is equal to that of a square whose area is 1?

Publisher: Serina Zaland Level: Easy Subject: Mathematics Published on: 2018-09-17

### If $a$ is equal to the sum of $b$ and $c$, which of the following is equal to the difference of $b$ and $c$?

Publisher: Serina Zaland Level: Easy Subject: Mathematics Published on: 2018-09-16

### If  the average of $5, 6, 7$ and $w$ is $10$, what is the value of $w$?

Publisher: Serina Zaland Level: Easy Subject: Mathematics Published on: 2018-09-16

### Velocity and acceleration at the end of 2 seconds if $S=t^2(t-1)$ is:

Publisher: Serina Zaland Level: Easy Subject: Mathematics Published on: 2018-09-14

### The slope and equation of the tangent to the curve $y=x^2 -7x+3$ at $(7,3)$ is:

Publisher: Serina Zaland Level: Easy Subject: Mathematics Published on: 2018-09-14

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