Convert 86 to a z-score

I pay £16.20 to travel to work each week. I work for 45 weeks each year. How much do I pay to travel to work each day

The temperature is - 3 F at 7:00 am During the next 4 hours the temperature increases 21 F. What is the temperature at 11:00am?

How is 8 the GCF of 56 and 96? Explain how to answer GCF questions.

Kevin was watching a DVD that was 125 minutes long. A friend called and he talked to his friend for 15 minutes while the DVD was playing. What percent of the length time of the DVD did he spend talking to his friend on the phone?

Which of the following decimal numbers equals 4 thousands, 9 hundreds, 2 tens, and 6 ones?

The sum of x and 9 is divided by 2. That quantity is equal to 3x

Joe has a spinner with labeled 1, 1, 2, 2, 4. If he spins 20 times, how many will be 2?

How do i find the zero of (x-10) (4x-3) = 0

A rectangle has a height of 5x and a width of x + 2, express the area of the rectangle.

Richard buys, fixes, resells small devices, like the Mir487, which consistently needs a transistor replaced. He can buy the transistor for $8.10 and a broken Mir487 for $51.90. Once fixed, he resells the new Mir487 for $224.96.